Title: [295560] trunk/Source
Revision
295560
Author
pvol...@apple.com
Date
2022-06-15 08:39:17 -0700 (Wed, 15 Jun 2022)

Log Message

[GPUP] Send Audio component registrations from the UI process
https://bugs.webkit.org/show_bug.cgi?id=241339
<rdar://88659991>

Reviewed by Geoffrey Garen.

Currently, Audio component registrations are only sent to the WebContent process. They should be sent to the GPU process as well.
This patch moves the existing registration code from the WebContent process code to the Auxiliary process code.

* Source/WebKit/GPUProcess/GPUProcess.messages.in:
* Source/WebKit/Shared/AuxiliaryProcess.h:
* Source/WebKit/Shared/Cocoa/AuxiliaryProcessCocoa.mm:
(WebKit::AuxiliaryProcess::consumeAudioComponentRegistrations):
* Source/WebKit/UIProcess/AuxiliaryProcessProxy.h:
* Source/WebKit/UIProcess/Cocoa/AuxiliaryProcessProcyCocoa.mm: Added.
(WebKit::AuxiliaryProcessProxy::fetchAudioComponentServerRegistrations):
* Source/WebKit/UIProcess/Cocoa/WebProcessProxyCocoa.mm:
(WebKit::WebProcessProxy::sendAudioComponentRegistrations):
* Source/WebKit/UIProcess/GPU/GPUProcessProxy.cpp:
(WebKit::GPUProcessProxy::didFinishLaunching):
* Source/WebKit/WebKit.xcodeproj/project.pbxproj:
* Source/WebKit/WebProcess/WebProcess.h:
* Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm:
(WebKit::WebProcess::consumeAudioComponentRegistrations): Deleted.

Canonical link: https://commits.webkit.org/251565@main

Modified Paths

Added Paths

Diff

Modified: trunk/Source/WTF/wtf/PlatformHave.h (295559 => 295560)


--- trunk/Source/WTF/wtf/PlatformHave.h	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WTF/wtf/PlatformHave.h	2022-06-15 15:39:17 UTC (rev 295560)
@@ -1236,6 +1236,10 @@
 #define HAVE_UIKIT_RESIZABLE_WINDOWS 1
 #endif
 
+#if !defined(HAVE_AUDIO_COMPONENT_SERVER_REGISTRATIONS) && PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 120000
+#define HAVE_AUDIO_COMPONENT_SERVER_REGISTRATIONS 1
+#endif
+
 #if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 130000)
 #define HAVE_SHARING_SERVICE_PICKER_POPOVER_SPI 1
 #endif

Modified: trunk/Source/WebKit/GPUProcess/GPUProcess.messages.in (295559 => 295560)


--- trunk/Source/WebKit/GPUProcess/GPUProcess.messages.in	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/GPUProcess/GPUProcess.messages.in	2022-06-15 15:39:17 UTC (rev 295560)
@@ -91,6 +91,10 @@
     OpenDirectoryCacheInvalidated(WebKit::SandboxExtension::Handle handle)
 #endif
 
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
+    ConsumeAudioComponentRegistrations(IPC::SharedBufferReference registrationData)
+#endif
+
 #if HAVE(POWERLOG_TASK_MODE_QUERY)
     EnablePowerLogging(WebKit::SandboxExtension::Handle handle)
 #endif

Modified: trunk/Source/WebKit/GPUProcess/mac/com.apple.WebKit.GPUProcess.sb.in (295559 => 295560)


--- trunk/Source/WebKit/GPUProcess/mac/com.apple.WebKit.GPUProcess.sb.in	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/GPUProcess/mac/com.apple.WebKit.GPUProcess.sb.in	2022-06-15 15:39:17 UTC (rev 295560)
@@ -642,8 +642,13 @@
 (allow ipc-posix-shm-read* ipc-posix-shm-write-data
     (ipc-posix-name-prefix "AudioIO"))
 
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
+(deny mach-lookup (with telemetry)
+    (global-name "com.apple.audio.AudioComponentRegistrar"))
+#else
 (allow mach-lookup
     (global-name "com.apple.audio.AudioComponentRegistrar"))
+#endif
 
 #if !ENABLE(CFPREFS_DIRECT_MODE)
 (allow mach-lookup (with telemetry)

Modified: trunk/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.GPU.sb.in (295559 => 295560)


--- trunk/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.GPU.sb.in	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.GPU.sb.in	2022-06-15 15:39:17 UTC (rev 295560)
@@ -694,6 +694,9 @@
     (xpc-service-name "com.apple.audio.toolbox.reporting.service")
 )
 
+(deny mach-lookup (with no-log) (with telemetry)
+    (global-name "com.apple.audio.AudioComponentRegistrar"))
+
 (deny mach-lookup (with telemetry)
     (xpc-service-name "com.apple.iconservices")
     (global-name

Modified: trunk/Source/WebKit/Shared/AuxiliaryProcess.h (295559 => 295560)


--- trunk/Source/WebKit/Shared/AuxiliaryProcess.h	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/Shared/AuxiliaryProcess.h	2022-06-15 15:39:17 UTC (rev 295560)
@@ -44,6 +44,10 @@
 
 OBJC_CLASS NSDictionary;
 
+namespace IPC {
+class SharedBufferReference;
+}
+
 namespace WebKit {
 
 class SandboxInitializationParameters;
@@ -152,6 +156,10 @@
 
     void populateMobileGestaltCache(std::optional<SandboxExtension::Handle>&& mobileGestaltExtensionHandle);
 
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
+    void consumeAudioComponentRegistrations(const IPC::SharedBufferReference&);
+#endif
+    
 private:
     virtual bool shouldOverrideQuarantine() { return true; }
 

Modified: trunk/Source/WebKit/Shared/Cocoa/AuxiliaryProcessCocoa.mm (295559 => 295560)


--- trunk/Source/WebKit/Shared/Cocoa/AuxiliaryProcessCocoa.mm	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/Shared/Cocoa/AuxiliaryProcessCocoa.mm	2022-06-15 15:39:17 UTC (rev 295560)
@@ -46,6 +46,8 @@
 #import <pal/spi/mac/HIServicesSPI.h>
 #endif
 
+#import <pal/cf/AudioToolboxSoftLink.h>
+
 #if HAVE(UPDATE_WEB_ACCESSIBILITY_SETTINGS) && ENABLE(CFPREFS_DIRECT_MODE)
 SOFT_LINK_LIBRARY_OPTIONAL(libAccessibility)
 SOFT_LINK_OPTIONAL(libAccessibility, _AXSUpdateWebAccessibilitySettings, void, (), ());
@@ -238,4 +240,22 @@
 #endif
 }
 
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
+void AuxiliaryProcess::consumeAudioComponentRegistrations(const IPC::SharedBufferReference& data)
+{
+    using namespace PAL;
+
+    if (!PAL::isAudioToolboxCoreFrameworkAvailable() || !PAL::canLoad_AudioToolboxCore_AudioComponentApplyServerRegistrations())
+        return;
+
+    if (data.isNull())
+        return;
+    auto registrations = data.unsafeBuffer()->createCFData();
+
+    auto err = AudioComponentApplyServerRegistrations(registrations.get());
+    if (noErr != err)
+        RELEASE_LOG_ERROR(Process, "Could not apply AudioComponent registrations, err(%ld)", static_cast<long>(err));
+}
+#endif
+
 } // namespace WebKit

Modified: trunk/Source/WebKit/UIProcess/AuxiliaryProcessProxy.h (295559 => 295560)


--- trunk/Source/WebKit/UIProcess/AuxiliaryProcessProxy.h	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/UIProcess/AuxiliaryProcessProxy.h	2022-06-15 15:39:17 UTC (rev 295560)
@@ -177,6 +177,10 @@
     void didChangeIsResponsive() override { }
     bool mayBecomeUnresponsive() override;
 
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
+    static RefPtr<WebCore::SharedBuffer> fetchAudioComponentServerRegistrations();
+#endif
+
 private:
     virtual void connectionWillOpen(IPC::Connection&);
     virtual void processWillShutDown(IPC::Connection&) = 0;

Added: trunk/Source/WebKit/UIProcess/Cocoa/AuxiliaryProcessProcyCocoa.mm (0 => 295560)


--- trunk/Source/WebKit/UIProcess/Cocoa/AuxiliaryProcessProcyCocoa.mm	                        (rev 0)
+++ trunk/Source/WebKit/UIProcess/Cocoa/AuxiliaryProcessProcyCocoa.mm	2022-06-15 15:39:17 UTC (rev 295560)
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2022 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "config.h"
+#import "AuxiliaryProcessProxy.h"
+
+#if PLATFORM(COCOA)
+
+#import <WebCore/WebMAudioUtilitiesCocoa.h>
+#import <pal/cf/AudioToolboxSoftLink.h>
+
+namespace WebKit {
+
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
+RefPtr<WebCore::SharedBuffer> AuxiliaryProcessProxy::fetchAudioComponentServerRegistrations()
+{
+    using namespace PAL;
+
+    CFDataRef registrations { nullptr };
+
+    if (!PAL::isAudioToolboxCoreFrameworkAvailable() || !PAL::canLoad_AudioToolboxCore_AudioComponentFetchServerRegistrations())
+        return nullptr;
+    
+    WebCore::registerOpusDecoderIfNeeded();
+    WebCore::registerVorbisDecoderIfNeeded();
+
+    if (noErr != AudioComponentFetchServerRegistrations(&registrations) || !registrations)
+        return nullptr;
+
+    return WebCore::SharedBuffer::create(registrations);
+}
+#endif
+
+} // namespace WebKit
+
+#endif // PLATFORM(COCOA)

Modified: trunk/Source/WebKit/UIProcess/Cocoa/WebProcessProxyCocoa.mm (295559 => 295560)


--- trunk/Source/WebKit/UIProcess/Cocoa/WebProcessProxyCocoa.mm	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/UIProcess/Cocoa/WebProcessProxyCocoa.mm	2022-06-15 15:39:17 UTC (rev 295560)
@@ -40,7 +40,6 @@
 #import "WebProcessMessages.h"
 #import "WebProcessPool.h"
 #import <WebCore/RuntimeApplicationChecks.h>
-#import <WebCore/WebMAudioUtilitiesCocoa.h>
 #import <sys/sysctl.h>
 #import <wtf/NeverDestroyed.h>
 #import <wtf/Scope.h>
@@ -66,8 +65,6 @@
 #include "TCCSoftLink.h"
 #endif
 
-#import <pal/cf/AudioToolboxSoftLink.h>
-
 namespace WebKit {
 
 static const Seconds unexpectedActivityDuration = 10_s;
@@ -270,30 +267,24 @@
 }
 #endif
 
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
 void WebProcessProxy::sendAudioComponentRegistrations()
 {
-    using namespace PAL;
-
-    if (!PAL::isAudioToolboxCoreFrameworkAvailable() || !PAL::canLoad_AudioToolboxCore_AudioComponentFetchServerRegistrations())
-        return;
-
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), [weakThis = WeakPtr { *this }] () mutable {
-        CFDataRef registrations { nullptr };
 
-        WebCore::registerOpusDecoderIfNeeded();
-        WebCore::registerVorbisDecoderIfNeeded();
-        if (noErr != AudioComponentFetchServerRegistrations(&registrations) || !registrations)
+        auto registrations = fetchAudioComponentServerRegistrations();
+        if (!registrations)
             return;
-
-        RunLoop::main().dispatch([weakThis = WTFMove(weakThis), registrations = adoptCF(registrations)] () {
+        
+        RunLoop::main().dispatch([weakThis = WTFMove(weakThis), registrations = WTFMove(registrations)] () mutable {
             if (!weakThis)
                 return;
 
-            auto registrationData = WebCore::SharedBuffer::create(registrations.get());
-            weakThis->send(Messages::WebProcess::ConsumeAudioComponentRegistrations(IPC::SharedBufferReference(WTFMove(registrationData))), 0);
+            weakThis->send(Messages::WebProcess::ConsumeAudioComponentRegistrations(IPC::SharedBufferReference(WTFMove(registrations))), 0);
         });
     });
 }
+#endif
 
 bool WebProcessProxy::messageSourceIsValidWebContentProcess()
 {

Modified: trunk/Source/WebKit/UIProcess/GPU/GPUProcessProxy.cpp (295559 => 295560)


--- trunk/Source/WebKit/UIProcess/GPU/GPUProcessProxy.cpp	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/UIProcess/GPU/GPUProcessProxy.cpp	2022-06-15 15:39:17 UTC (rev 295560)
@@ -169,6 +169,13 @@
 
     // Initialize the GPU process.
     send(Messages::GPUProcess::InitializeGPUProcess(parameters), 0);
+
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
+    auto registrations = fetchAudioComponentServerRegistrations();
+    if (registrations)
+        send(Messages::GPUProcess::ConsumeAudioComponentRegistrations(IPC::SharedBufferReference(WTFMove(registrations))), 0);
+#endif
+
     updateProcessAssertion();
 }
 

Modified: trunk/Source/WebKit/UIProcess/WebProcessPool.cpp (295559 => 295560)


--- trunk/Source/WebKit/UIProcess/WebProcessPool.cpp	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/UIProcess/WebProcessPool.cpp	2022-06-15 15:39:17 UTC (rev 295560)
@@ -911,7 +911,7 @@
     process.send(Messages::WebProcess::BacklightLevelDidChange(displayBrightness()), 0);
 #endif
 
-#if PLATFORM(COCOA)
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
     process.sendAudioComponentRegistrations();
 #endif
 

Modified: trunk/Source/WebKit/WebKit.xcodeproj/project.pbxproj (295559 => 295560)


--- trunk/Source/WebKit/WebKit.xcodeproj/project.pbxproj	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/WebKit.xcodeproj/project.pbxproj	2022-06-15 15:39:17 UTC (rev 295560)
@@ -2245,6 +2245,7 @@
 		E1D26A53175964D90095BFD1 /* WebContentProcess.xib in Resources */ = {isa = PBXBuildFile; fileRef = E1D26A4C1759634E0095BFD1 /* WebContentProcess.xib */; };
 		E1E552C516AE065F004ED653 /* SandboxInitializationParameters.h in Headers */ = {isa = PBXBuildFile; fileRef = E1E552C316AE065E004ED653 /* SandboxInitializationParameters.h */; };
 		E1EE53E311F8CFC000CCBEE4 /* InjectedBundlePageEditorClient.h in Headers */ = {isa = PBXBuildFile; fileRef = E1EE53DC11F8CF9F00CCBEE4 /* InjectedBundlePageEditorClient.h */; };
+		E326E357284E580E00157372 /* AuxiliaryProcessProcyCocoa.mm in Sources */ = {isa = PBXBuildFile; fileRef = E326E356284E580E00157372 /* AuxiliaryProcessProcyCocoa.mm */; };
 		E36FF00327F36FBD004BE21A /* SandboxStateVariables.h in Headers */ = {isa = PBXBuildFile; fileRef = E36FF00127F36FBD004BE21A /* SandboxStateVariables.h */; };
 		E36FF00427F36FBD004BE21A /* preferences.sb in Resources */ = {isa = PBXBuildFile; fileRef = E36FF00227F36FBD004BE21A /* preferences.sb */; };
 		E3816B3D27E2463A005EAFC0 /* WebMockContentFilterManager.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E3816B3B27E24639005EAFC0 /* WebMockContentFilterManager.cpp */; };
@@ -7019,6 +7020,7 @@
 		E1EE53E611F8CFFB00CCBEE4 /* InjectedBundlePageEditorClient.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = InjectedBundlePageEditorClient.cpp; sourceTree = "<group>"; };
 		E30CFB9D2660663C0094D9C0 /* com.apple.WebKit.WebContent.sb */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = com.apple.WebKit.WebContent.sb; path = DerivedSources/WebKit/com.apple.WebKit.WebContent.sb; sourceTree = BUILT_PRODUCTS_DIR; };
 		E313664D265EE5AF0051084F /* com.apple.WebKit.WebContent.sb.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = com.apple.WebKit.WebContent.sb.in; sourceTree = "<group>"; };
+		E326E356284E580E00157372 /* AuxiliaryProcessProcyCocoa.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = AuxiliaryProcessProcyCocoa.mm; sourceTree = "<group>"; };
 		E3439B632345463A0011DE0B /* NetworkProcessConnectionInfo.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = NetworkProcessConnectionInfo.h; path = Network/NetworkProcessConnectionInfo.h; sourceTree = "<group>"; };
 		E34B110C27C46BC6006D2F2E /* libWebCoreTestShim.dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; path = libWebCoreTestShim.dylib; sourceTree = BUILT_PRODUCTS_DIR; };
 		E34B110F27C46D09006D2F2E /* libWebCoreTestSupport.dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; path = libWebCoreTestSupport.dylib; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -8229,6 +8231,7 @@
 				2DC6D9C118C44A610043BAD4 /* WKWebViewContentProviderRegistry.h */,
 				2DC6D9C218C44A610043BAD4 /* WKWebViewContentProviderRegistry.mm */,
 				C1710CF224A7BD0300D7C112 /* XPCEventHandler.h */,
+				E326E356284E580E00157372 /* AuxiliaryProcessProcyCocoa.mm */,
 			);
 			path = Cocoa;
 			sourceTree = "<group>";
@@ -16800,6 +16803,7 @@
 				2D11B7612126A282006F8878 /* UnifiedSource9-mm.mm in Sources */,
 				2D11B7622126A282006F8878 /* UnifiedSource9.cpp in Sources */,
 				2D11B7632126A282006F8878 /* UnifiedSource10-mm.mm in Sources */,
+				E326E357284E580E00157372 /* AuxiliaryProcessProcyCocoa.mm in Sources */,
 				2D11B7642126A282006F8878 /* UnifiedSource10.cpp in Sources */,
 				2D11B7652126A282006F8878 /* UnifiedSource11-mm.mm in Sources */,
 				2D11B7662126A282006F8878 /* UnifiedSource11.cpp in Sources */,

Modified: trunk/Source/WebKit/WebProcess/WebProcess.h (295559 => 295560)


--- trunk/Source/WebKit/WebProcess/WebProcess.h	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/WebProcess/WebProcess.h	2022-06-15 15:39:17 UTC (rev 295560)
@@ -78,10 +78,6 @@
 class Object;
 }
 
-namespace IPC {
-class SharedBufferReference;
-}
-
 namespace PAL {
 class SessionID;
 }
@@ -533,10 +529,6 @@
     void systemDidWake();
 #endif
 
-#if PLATFORM(COCOA)
-    void consumeAudioComponentRegistrations(const IPC::SharedBufferReference&);
-#endif
-    
     void platformInitializeProcess(const AuxiliaryProcessInitializationParameters&);
 
     // IPC::Connection::Client

Modified: trunk/Source/WebKit/WebProcess/WebProcess.messages.in (295559 => 295560)


--- trunk/Source/WebKit/WebProcess/WebProcess.messages.in	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/WebProcess/WebProcess.messages.in	2022-06-15 15:39:17 UTC (rev 295560)
@@ -194,8 +194,11 @@
     SystemDidWake()
 #endif
 
+#if HAVE(AUDIO_COMPONENT_SERVER_REGISTRATIONS)
+    ConsumeAudioComponentRegistrations(IPC::SharedBufferReference registrationData)
+#endif
+
 #if PLATFORM(COCOA)
-    ConsumeAudioComponentRegistrations(IPC::SharedBufferReference registrationData)
     AccessibilityPreferencesDidChange(struct WebKit::AccessibilityPreferences accessibilityPreferences)
 #endif
 

Modified: trunk/Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm (295559 => 295560)


--- trunk/Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm	2022-06-15 15:34:26 UTC (rev 295559)
+++ trunk/Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm	2022-06-15 15:39:17 UTC (rev 295560)
@@ -161,7 +161,6 @@
 #endif
 
 #import <WebCore/MediaAccessibilitySoftLink.h>
-#import <pal/cf/AudioToolboxSoftLink.h>
 #import <pal/cf/VideoToolboxSoftLink.h>
 #import <pal/cocoa/AVFoundationSoftLink.h>
 #import <pal/cocoa/DataDetectorsCoreSoftLink.h>
@@ -1255,22 +1254,6 @@
 }
 #endif
 
-void WebProcess::consumeAudioComponentRegistrations(const IPC::SharedBufferReference& data)
-{
-    using namespace PAL;
-
-    if (!PAL::isAudioToolboxCoreFrameworkAvailable() || !PAL::canLoad_AudioToolboxCore_AudioComponentApplyServerRegistrations())
-        return;
-
-    if (data.isNull())
-        return;
-    auto registrations = data.unsafeBuffer()->createCFData();
-
-    auto err = AudioComponentApplyServerRegistrations(registrations.get());
-    if (noErr != err)
-        WEBPROCESS_RELEASE_LOG_ERROR(Process, "Could not apply AudioComponent registrations, err(%ld)", static_cast<long>(err));
-}
-
 #if PLATFORM(MAC)
 void WebProcess::openDirectoryCacheInvalidated(SandboxExtension::Handle&& handle)
 {
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