Title: [201579] trunk/Source/WebCore
- Revision
- 201579
- Author
- [email protected]
- Date
- 2016-06-01 17:23:59 -0700 (Wed, 01 Jun 2016)
Log Message
Use HashMap::ensure() in DocumentOrderedMap::add()
https://bugs.webkit.org/show_bug.cgi?id=158283
Reviewed by Ryosuke Niwa.
Use HashMap::ensure() in DocumentOrderedMap::add() to avoid constructing
a MapEntry if the key is already present in the HashMap.
* dom/DocumentOrderedMap.cpp:
(WebCore::DocumentOrderedMap::add):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (201578 => 201579)
--- trunk/Source/WebCore/ChangeLog 2016-06-02 00:23:01 UTC (rev 201578)
+++ trunk/Source/WebCore/ChangeLog 2016-06-02 00:23:59 UTC (rev 201579)
@@ -1,3 +1,16 @@
+2016-06-01 Chris Dumez <[email protected]>
+
+ Use HashMap::ensure() in DocumentOrderedMap::add()
+ https://bugs.webkit.org/show_bug.cgi?id=158283
+
+ Reviewed by Ryosuke Niwa.
+
+ Use HashMap::ensure() in DocumentOrderedMap::add() to avoid constructing
+ a MapEntry if the key is already present in the HashMap.
+
+ * dom/DocumentOrderedMap.cpp:
+ (WebCore::DocumentOrderedMap::add):
+
2016-06-01 Alexey Proskuryakov <[email protected]>
Update QuartzCoreSPI.h for <rdar://problem/26584828>.
Modified: trunk/Source/WebCore/dom/DocumentOrderedMap.cpp (201578 => 201579)
--- trunk/Source/WebCore/dom/DocumentOrderedMap.cpp 2016-06-02 00:23:01 UTC (rev 201578)
+++ trunk/Source/WebCore/dom/DocumentOrderedMap.cpp 2016-06-02 00:23:59 UTC (rev 201579)
@@ -54,7 +54,9 @@
if (!element.isInTreeScope())
return;
- Map::AddResult addResult = m_map.add(&key, MapEntry(&element));
+ Map::AddResult addResult = m_map.ensure(&key, [&element] {
+ return MapEntry(&element);
+ });
MapEntry& entry = addResult.iterator->value;
#if !ASSERT_DISABLED || ENABLE(SECURITY_ASSERTIONS)
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