Reviewers: Hannes Payer,

Message:
Committed patchset #1 manually as r17367.

Description:
Revert "Add window.performance.now() to the d8 shell."

This reverts commit r17366 for breaking the mozilla tests.

[email protected]

Committed: https://code.google.com/p/v8/source/detail?r=17367

Please review this at https://codereview.chromium.org/38753006/

SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge

Affected files (+0, -84 lines):
  M src/d8.h
  M src/d8.cc
  D test/mjsunit/d8-performance-now.js
  M test/mjsunit/mjsunit.status


Index: test/mjsunit/d8-performance-now.js
diff --git a/test/mjsunit/d8-performance-now.js b/test/mjsunit/d8-performance-now.js
deleted file mode 100644
index 759fed3054bef8281c96c0ec929f4a7aab3dd94b..0000000000000000000000000000000000000000
--- a/test/mjsunit/d8-performance-now.js
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2013 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * 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.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
-// OWNER OR 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.
-
-// Flags: --allow-natives-syntax
-
-// Test the window.performance.now() function of d8.  This test only makes
-// sense with d8.
-
-// Don't run this test in gc stress mode. Time differences may be long
-// due to garbage collections.
-%SetFlags("--gc-interval=-1");
-%SetFlags("--nostress-compaction");
-
-(function run() {
-  var start_test = window.performance.now();
-  // Let the retry run for maximum 100ms to reduce flakiness.
-  for (var start = window.performance.now();
-       start - start_test < 100;
-       start = window.performance.now()) {
-    var end = window.performance.now();
-    assertTrue(start >= start_test);
-    assertTrue(end >= start);
-    while (end - start == 0) {
-      var next = window.performance.now();
-      assertTrue(next >= end);
-      end = next;
-    }
-    if (end - start <= 1) {
-      // Found (sub-)millisecond granularity.
-      return;
-    } else {
-      print("Timer difference too big: " + (end - start) + "ms");
-    }
-  }
-  assertTrue(false);
-})()
Index: src/d8.cc
diff --git a/src/d8.cc b/src/d8.cc
index 0efaeb76af56f18e73ecceb23a898b9351aa2706..96407a897c98b1284a3f9b1dd78bb457c5b08bd7 100644
--- a/src/d8.cc
+++ b/src/d8.cc
@@ -166,7 +166,6 @@ Persistent<Context> Shell::utility_context_;
 Persistent<Context> Shell::evaluation_context_;
 ShellOptions Shell::options;
 const char* Shell::kPrompt = "d8> ";
-const i::TimeTicks Shell::kInitialTicks = i::TimeTicks::HighResolutionNow();


 const int MB = 1024 * 1024;
@@ -290,15 +289,6 @@ int PerIsolateData::RealmFind(Handle<Context> context) {
 }


-// window.performance.now() returns a time stamp as double, measured in
-// milliseconds.
-void Shell::WindowPerformanceNow(
-    const v8::FunctionCallbackInfo<v8::Value>& args) {
-  i::TimeDelta delta = i::TimeTicks::HighResolutionNow() - kInitialTicks;
-  args.GetReturnValue().Set(delta.InMillisecondsF());
-}
-
-
 // Realm.current() returns the index of the currently active realm.
 void Shell::RealmCurrent(const v8::FunctionCallbackInfo<v8::Value>& args) {
   Isolate* isolate = args.GetIsolate();
@@ -882,13 +872,6 @@ Handle<ObjectTemplate> Shell::CreateGlobalTemplate(Isolate* isolate) {
                               RealmSharedGet, RealmSharedSet);
   global_template->Set(String::New("Realm"), realm_template);

-  Handle<ObjectTemplate> window_template = ObjectTemplate::New();
-  Handle<ObjectTemplate> performance_template = ObjectTemplate::New();
-  performance_template->Set(String::New("now"),
-                            FunctionTemplate::New(WindowPerformanceNow));
-  window_template->Set(String::New("performance"), performance_template);
-  global_template->Set(String::New("window"), window_template);
-
 #if !defined(V8_SHARED) && !defined(_WIN32) && !defined(_WIN64)
   Handle<ObjectTemplate> os_templ = ObjectTemplate::New();
   AddOSMethods(os_templ);
Index: src/d8.h
diff --git a/src/d8.h b/src/d8.h
index 5c7ffaa5bd73ec571a7f603215f0cf3fde2a372f..42013e866d1ef6948ac35ad4e7690d44cf345770 100644
--- a/src/d8.h
+++ b/src/d8.h
@@ -304,8 +304,6 @@ class Shell : public i::AllStatic {
 #endif  // ENABLE_DEBUGGER_SUPPORT
 #endif  // V8_SHARED

-  static void WindowPerformanceNow(
-      const v8::FunctionCallbackInfo<v8::Value>& args);
static void RealmCurrent(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmOwner(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmGlobal(const v8::FunctionCallbackInfo<v8::Value>& args);
@@ -383,7 +381,6 @@ class Shell : public i::AllStatic {

   static const char* kPrompt;
   static ShellOptions options;
-  static const i::TimeTicks kInitialTicks;

  private:
   static Persistent<Context> evaluation_context_;
Index: test/mjsunit/mjsunit.status
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index 5ba166f83cc2b11a1c0e9d0a3c55b24a9d612aa6..a7939d73bb7462b7bc4b1973af20117625c52146 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -59,10 +59,6 @@
   'regress/regress-crbug-217858': [PASS, ['mode == debug', SKIP]],

##############################################################################
-  # No need to waste time for this test.
-  'd8-performance-now': [PASS, NO_VARIANTS],
-
- ##############################################################################
   # These use a built-in that's only present in debug mode. They take
   # too long to run in debug mode on ARM and MIPS.
'fuzz-natives-part*': [PASS, ['mode == release or arch == arm or arch == android_arm or arch == mipsel', SKIP]],


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