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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/209400">209400</a></dd>
<dt>Author</dt> <dd>dbates@webkit.org</dd>
<dt>Date</dt> <dd>2016-12-06 09:42:37 -0800 (Tue, 06 Dec 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Use Vector::uncheckedAppend() in more places
https://bugs.webkit.org/show_bug.cgi?id=164952

Reviewed by Darin Adler.

We can use Vector::uncheckedAppend() whenever the number of items that will be appended
to a vector is equal to or less than its capacity. Using Vector::uncheckedAppend() is
more efficient than Vector::append() as it avoids checking the capacity of the vector
before appending a value to the end of it.

* bindings/js/SerializedScriptValue.cpp:
(WebCore::SerializedScriptValue::SerializedScriptValue):
* contentextensions/DFABytecodeCompiler.cpp:
(WebCore::ContentExtensions::DFABytecodeCompiler::extractJumpTable):
* contentextensions/DFAMinimizer.cpp:
* css/StyleProperties.cpp:
(WebCore::StyleProperties::copyPropertiesInSet): Use Vector::uncheckedAppend() and inline
the assignment of the temporary variable value into the if condition to limit its scope
as it is referenced exactly once in the loop body.
* css/StyleRule.cpp:
(WebCore::StyleRuleGroup::StyleRuleGroup): Use Vector::uncheckedAppend() and write for-loop
using a C++11 range-based for-loop.
* css/parser/CSSParserValues.cpp:
(WebCore::CSSParserSelector::setLangArgumentList):
* cssjit/SelectorCompiler.cpp:
(WebCore::SelectorCompiler::SelectorCodeGenerator::generateElementIsNthLastChildOf):
* dom/DocumentMarkerController.cpp:
(WebCore::updateRenderedRectsForMarker):
* page/scrolling/mac/ScrollingTreeFrameScrollingNodeMac.mm:
(WebCore::convertToLayoutUnits):
* platform/audio/AudioBus.cpp:
(WebCore::AudioBus::AudioBus):
* platform/graphics/FontCache.cpp:
(WebCore::FontCache::purgeInactiveFontData):
* platform/graphics/PathUtilities.cpp:
(WebCore::polygonsForRect):
* platform/mediastream/CaptureDeviceManager.cpp:
(CaptureDeviceManager::bestSourcesForTypeAndConstraints):
* platform/mediastream/RealtimeMediaSource.cpp:
(WebCore::RealtimeMediaSource::fitnessDistance):
* platform/network/cf/FormDataStreamCFNet.cpp:
(WebCore::formCreate):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorebindingsjsSerializedScriptValuecpp">trunk/Source/WebCore/bindings/js/SerializedScriptValue.cpp</a></li>
<li><a href="#trunkSourceWebCorecontentextensionsDFABytecodeCompilercpp">trunk/Source/WebCore/contentextensions/DFABytecodeCompiler.cpp</a></li>
<li><a href="#trunkSourceWebCorecontentextensionsDFAMinimizercpp">trunk/Source/WebCore/contentextensions/DFAMinimizer.cpp</a></li>
<li><a href="#trunkSourceWebCorecssStylePropertiescpp">trunk/Source/WebCore/css/StyleProperties.cpp</a></li>
<li><a href="#trunkSourceWebCorecssStyleRulecpp">trunk/Source/WebCore/css/StyleRule.cpp</a></li>
<li><a href="#trunkSourceWebCorecssparserCSSParserValuescpp">trunk/Source/WebCore/css/parser/CSSParserValues.cpp</a></li>
<li><a href="#trunkSourceWebCorecssjitSelectorCompilercpp">trunk/Source/WebCore/cssjit/SelectorCompiler.cpp</a></li>
<li><a href="#trunkSourceWebCoredomDocumentMarkerControllercpp">trunk/Source/WebCore/dom/DocumentMarkerController.cpp</a></li>
<li><a href="#trunkSourceWebCorepagescrollingmacScrollingTreeFrameScrollingNodeMacmm">trunk/Source/WebCore/page/scrolling/mac/ScrollingTreeFrameScrollingNodeMac.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformaudioAudioBuscpp">trunk/Source/WebCore/platform/audio/AudioBus.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsFontCachecpp">trunk/Source/WebCore/platform/graphics/FontCache.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsPathUtilitiescpp">trunk/Source/WebCore/platform/graphics/PathUtilities.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformmediastreamCaptureDeviceManagercpp">trunk/Source/WebCore/platform/mediastream/CaptureDeviceManager.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformmediastreamRealtimeMediaSourcecpp">trunk/Source/WebCore/platform/mediastream/RealtimeMediaSource.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformnetworkcfFormDataStreamCFNetcpp">trunk/Source/WebCore/platform/network/cf/FormDataStreamCFNet.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/ChangeLog        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -1,3 +1,48 @@
</span><ins>+2016-12-06  Daniel Bates  &lt;dabates@apple.com&gt;
+
+        Use Vector::uncheckedAppend() in more places
+        https://bugs.webkit.org/show_bug.cgi?id=164952
+
+        Reviewed by Darin Adler.
+
+        We can use Vector::uncheckedAppend() whenever the number of items that will be appended
+        to a vector is equal to or less than its capacity. Using Vector::uncheckedAppend() is
+        more efficient than Vector::append() as it avoids checking the capacity of the vector
+        before appending a value to the end of it.
+
+        * bindings/js/SerializedScriptValue.cpp:
+        (WebCore::SerializedScriptValue::SerializedScriptValue):
+        * contentextensions/DFABytecodeCompiler.cpp:
+        (WebCore::ContentExtensions::DFABytecodeCompiler::extractJumpTable):
+        * contentextensions/DFAMinimizer.cpp:
+        * css/StyleProperties.cpp:
+        (WebCore::StyleProperties::copyPropertiesInSet): Use Vector::uncheckedAppend() and inline
+        the assignment of the temporary variable value into the if condition to limit its scope
+        as it is referenced exactly once in the loop body.
+        * css/StyleRule.cpp:
+        (WebCore::StyleRuleGroup::StyleRuleGroup): Use Vector::uncheckedAppend() and write for-loop
+        using a C++11 range-based for-loop.
+        * css/parser/CSSParserValues.cpp:
+        (WebCore::CSSParserSelector::setLangArgumentList):
+        * cssjit/SelectorCompiler.cpp:
+        (WebCore::SelectorCompiler::SelectorCodeGenerator::generateElementIsNthLastChildOf):
+        * dom/DocumentMarkerController.cpp:
+        (WebCore::updateRenderedRectsForMarker):
+        * page/scrolling/mac/ScrollingTreeFrameScrollingNodeMac.mm:
+        (WebCore::convertToLayoutUnits):
+        * platform/audio/AudioBus.cpp:
+        (WebCore::AudioBus::AudioBus):
+        * platform/graphics/FontCache.cpp:
+        (WebCore::FontCache::purgeInactiveFontData):
+        * platform/graphics/PathUtilities.cpp:
+        (WebCore::polygonsForRect):
+        * platform/mediastream/CaptureDeviceManager.cpp:
+        (CaptureDeviceManager::bestSourcesForTypeAndConstraints):
+        * platform/mediastream/RealtimeMediaSource.cpp:
+        (WebCore::RealtimeMediaSource::fitnessDistance):
+        * platform/network/cf/FormDataStreamCFNet.cpp:
+        (WebCore::formCreate):
+
</ins><span class="cx"> 2016-12-04  Darin Adler  &lt;darin@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Use ASCIICType more, and improve it a little bit
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsjsSerializedScriptValuecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/js/SerializedScriptValue.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/js/SerializedScriptValue.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/bindings/js/SerializedScriptValue.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -2660,7 +2660,7 @@
</span><span class="cx">     // need to be isolatedCopies so we don't run into thread safety issues for the StringImpls.
</span><span class="cx">     m_blobURLs.reserveInitialCapacity(blobURLs.size());
</span><span class="cx">     for (auto&amp; url : blobURLs)
</span><del>-        m_blobURLs.append(url.isolatedCopy());
</del><ins>+        m_blobURLs.uncheckedAppend(url.isolatedCopy());
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static ExceptionOr&lt;std::unique_ptr&lt;ArrayBufferContentsArray&gt;&gt; transferArrayBuffers(const Vector&lt;RefPtr&lt;JSC::ArrayBuffer&gt;&gt;&amp; arrayBuffers)
</span></span></pre></div>
<a id="trunkSourceWebCorecontentextensionsDFABytecodeCompilercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/contentextensions/DFABytecodeCompiler.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/contentextensions/DFABytecodeCompiler.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/contentextensions/DFABytecodeCompiler.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -218,7 +218,7 @@
</span><span class="cx">         ASSERT(range.min &gt;= jumpTable.min);
</span><span class="cx">         ASSERT(range.min &lt;= jumpTable.max);
</span><span class="cx"> 
</span><del>-        jumpTable.destinations.append(range.destination);
</del><ins>+        jumpTable.destinations.uncheckedAppend(range.destination);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     ranges.remove(firstRange, size);
</span></span></pre></div>
<a id="trunkSourceWebCorecontentextensionsDFAMinimizercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/contentextensions/DFAMinimizer.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/contentextensions/DFAMinimizer.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/contentextensions/DFAMinimizer.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -87,7 +87,7 @@
</span><span class="cx">             m_elementPositionInPartitionedNodes[i] = i;
</span><span class="cx">             m_elementToSetMap[i] = 0;
</span><span class="cx">         }
</span><del>-        m_sets.append(SetDescriptor({ 0, size, 0 }));
</del><ins>+        m_sets.uncheckedAppend(SetDescriptor { 0, size, 0 });
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     void reserveUninitializedCapacity(unsigned elementCount)
</span></span></pre></div>
<a id="trunkSourceWebCorecssStylePropertiescpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/StyleProperties.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/StyleProperties.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/css/StyleProperties.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -1296,9 +1296,8 @@
</span><span class="cx">     Vector&lt;CSSProperty, 256&gt; list;
</span><span class="cx">     list.reserveInitialCapacity(length);
</span><span class="cx">     for (unsigned i = 0; i &lt; length; ++i) {
</span><del>-        auto value = getPropertyCSSValueInternal(set[i]);
-        if (value)
-            list.append(CSSProperty(set[i], WTFMove(value), false));
</del><ins>+        if (auto value = getPropertyCSSValueInternal(set[i]))
+            list.uncheckedAppend(CSSProperty(set[i], WTFMove(value), false));
</ins><span class="cx">     }
</span><span class="cx">     return MutableStyleProperties::create(list.data(), list.size());
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorecssStyleRulecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/StyleRule.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/StyleRule.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/css/StyleRule.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -323,8 +323,8 @@
</span><span class="cx">     : StyleRuleBase(o)
</span><span class="cx"> {
</span><span class="cx">     m_childRules.reserveInitialCapacity(o.m_childRules.size());
</span><del>-    for (unsigned i = 0, size = o.m_childRules.size(); i &lt; size; ++i)
-        m_childRules.uncheckedAppend(o.m_childRules[i]-&gt;copy());
</del><ins>+    for (auto&amp; childRule : o.m_childRules)
+        m_childRules.uncheckedAppend(childRule-&gt;copy());
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void StyleRuleGroup::wrapperInsertRule(unsigned index, Ref&lt;StyleRuleBase&gt;&amp;&amp; rule)
</span></span></pre></div>
<a id="trunkSourceWebCorecssparserCSSParserValuescpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/parser/CSSParserValues.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/parser/CSSParserValues.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/css/parser/CSSParserValues.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -410,7 +410,7 @@
</span><span class="cx">     auto argumentList = std::make_unique&lt;Vector&lt;AtomicString&gt;&gt;();
</span><span class="cx">     argumentList-&gt;reserveInitialCapacity(stringVector.size());
</span><span class="cx">     for (const AtomicString&amp; languageArgument : stringVector)
</span><del>-        argumentList-&gt;append(languageArgument);
</del><ins>+        argumentList-&gt;uncheckedAppend(languageArgument);
</ins><span class="cx">     m_selector-&gt;setLangArgumentList(WTFMove(argumentList));
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorecssjitSelectorCompilercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/cssjit/SelectorCompiler.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/cssjit/SelectorCompiler.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/cssjit/SelectorCompiler.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -3664,7 +3664,7 @@
</span><span class="cx">         for (const NthChildOfSelectorInfo&amp; nthLastChildOfSelectorInfo : fragment.nthLastChildOfFilters) {
</span><span class="cx">             if (nthFilterIsAlwaysSatisified(nthLastChildOfSelectorInfo.a, nthLastChildOfSelectorInfo.b))
</span><span class="cx">                 continue;
</span><del>-            validSubsetFilters.append(&amp;nthLastChildOfSelectorInfo);
</del><ins>+            validSubsetFilters.uncheckedAppend(&amp;nthLastChildOfSelectorInfo);
</ins><span class="cx">         }
</span><span class="cx">         if (validSubsetFilters.isEmpty())
</span><span class="cx">             return;
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumentMarkerControllercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/DocumentMarkerController.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/DocumentMarkerController.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/dom/DocumentMarkerController.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -162,7 +162,7 @@
</span><span class="cx">     Vector&lt;FloatRect&gt; absoluteMarkerRects;
</span><span class="cx">     absoluteMarkerRects.reserveInitialCapacity(absoluteMarkerQuads.size());
</span><span class="cx">     for (const auto&amp; quad : absoluteMarkerQuads)
</span><del>-        absoluteMarkerRects.append(quad.boundingBox());
</del><ins>+        absoluteMarkerRects.uncheckedAppend(quad.boundingBox());
</ins><span class="cx"> 
</span><span class="cx">     marker.setUnclippedAbsoluteRects(absoluteMarkerRects);
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorepagescrollingmacScrollingTreeFrameScrollingNodeMacmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/scrolling/mac/ScrollingTreeFrameScrollingNodeMac.mm (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/scrolling/mac/ScrollingTreeFrameScrollingNodeMac.mm        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/page/scrolling/mac/ScrollingTreeFrameScrollingNodeMac.mm        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -86,7 +86,7 @@
</span><span class="cx">     Vector&lt;LayoutUnit&gt; snapOffsets;
</span><span class="cx">     snapOffsets.reserveInitialCapacity(snapOffsetsAsFloat.size());
</span><span class="cx">     for (auto offset : snapOffsetsAsFloat)
</span><del>-        snapOffsets.append(offset);
</del><ins>+        snapOffsets.uncheckedAppend(offset);
</ins><span class="cx"> 
</span><span class="cx">     return snapOffsets;
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformaudioAudioBuscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/audio/AudioBus.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/audio/AudioBus.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/platform/audio/AudioBus.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -65,7 +65,7 @@
</span><span class="cx"> 
</span><span class="cx">     for (unsigned i = 0; i &lt; numberOfChannels; ++i) {
</span><span class="cx">         auto channel = allocate ? std::make_unique&lt;AudioChannel&gt;(length) : std::make_unique&lt;AudioChannel&gt;(nullptr, length);
</span><del>-        m_channels.append(WTFMove(channel));
</del><ins>+        m_channels.uncheckedAppend(WTFMove(channel));
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     m_layout = LayoutCanonical; // for now this is the only layout we define
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsFontCachecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/FontCache.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/FontCache.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/platform/graphics/FontCache.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -402,7 +402,7 @@
</span><span class="cx">     keysToRemove.reserveInitialCapacity(fontPlatformDataCache().size());
</span><span class="cx">     for (auto&amp; entry : fontPlatformDataCache()) {
</span><span class="cx">         if (entry.value &amp;&amp; !cachedFonts().contains(*entry.value))
</span><del>-            keysToRemove.append(entry.key);
</del><ins>+            keysToRemove.uncheckedAppend(entry.key);
</ins><span class="cx">     }
</span><span class="cx">     for (auto&amp; key : keysToRemove)
</span><span class="cx">         fontPlatformDataCache().remove(key);
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsPathUtilitiescpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/PathUtilities.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/PathUtilities.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/platform/graphics/PathUtilities.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -277,7 +277,7 @@
</span><span class="cx">         }
</span><span class="cx"> 
</span><span class="cx">         if (!isContained)
</span><del>-            rectPolygons.append(edgesForRect(rect, graph));
</del><ins>+            rectPolygons.uncheckedAppend(edgesForRect(rect, graph));
</ins><span class="cx">     }
</span><span class="cx">     return unitePolygons(rectPolygons, graph);
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformmediastreamCaptureDeviceManagercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mediastream/CaptureDeviceManager.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mediastream/CaptureDeviceManager.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/platform/mediastream/CaptureDeviceManager.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -96,7 +96,7 @@
</span><span class="cx">     sourceUIDs.reserveInitialCapacity(bestSources.size());
</span><span class="cx">     std::sort(bestSources.begin(), bestSources.end(), sortBasedOnFitnessScore);
</span><span class="cx">     for (auto&amp; device : bestSources)
</span><del>-        sourceUIDs.append(device-&gt;persistentID());
</del><ins>+        sourceUIDs.uncheckedAppend(device-&gt;persistentID());
</ins><span class="cx"> 
</span><span class="cx">     return sourceUIDs;
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformmediastreamRealtimeMediaSourcecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mediastream/RealtimeMediaSource.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mediastream/RealtimeMediaSource.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/platform/mediastream/RealtimeMediaSource.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -296,7 +296,7 @@
</span><span class="cx">         Vector&lt;String&gt; supportedModes;
</span><span class="cx">         supportedModes.reserveInitialCapacity(modes.size());
</span><span class="cx">         for (auto&amp; mode : modes)
</span><del>-            supportedModes.append(RealtimeMediaSourceSettings::facingMode(mode));
</del><ins>+            supportedModes.uncheckedAppend(RealtimeMediaSourceSettings::facingMode(mode));
</ins><span class="cx">         return downcast&lt;StringConstraint&gt;(constraint).fitnessDistance(supportedModes);
</span><span class="cx">         break;
</span><span class="cx">     }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformnetworkcfFormDataStreamCFNetcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/network/cf/FormDataStreamCFNet.cpp (209399 => 209400)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/network/cf/FormDataStreamCFNet.cpp        2016-12-06 17:18:20 UTC (rev 209399)
+++ trunk/Source/WebCore/platform/network/cf/FormDataStreamCFNet.cpp        2016-12-06 17:42:37 UTC (rev 209400)
</span><span class="lines">@@ -211,7 +211,7 @@
</span><span class="cx">     size_t size = newInfo-&gt;formData-&gt;elements().size();
</span><span class="cx">     newInfo-&gt;remainingElements.reserveInitialCapacity(size);
</span><span class="cx">     for (size_t i = 0; i &lt; size; ++i)
</span><del>-        newInfo-&gt;remainingElements.append(newInfo-&gt;formData-&gt;elements()[size - i - 1]);
</del><ins>+        newInfo-&gt;remainingElements.uncheckedAppend(newInfo-&gt;formData-&gt;elements()[size - i - 1]);
</ins><span class="cx"> 
</span><span class="cx">     return newInfo;
</span><span class="cx"> }
</span></span></pre>
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