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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/160261">160261</a></dd>
<dt>Author</dt> <dd>jer.noble@apple.com</dd>
<dt>Date</dt> <dd>2013-12-06 16:56:24 -0800 (Fri, 06 Dec 2013)</dd>
</dl>

<h3>Log Message</h3>
<pre>[MSE] Add a runtime-setting for the MediaSource constructor.
https://bugs.webkit.org/show_bug.cgi?id=125336

Reviewed by Eric Carlson.

Source/WebCore:

Add a Setting to enable the MediaSource constructor.

* Modules/mediasource/MediaSource.idl:
* page/Settings.in:

Source/WebKit/mac:

Add a private WebPreference which controls the WebCore mediaSourceEnabled setting.

* WebView/WebPreferenceKeysPrivate.h:
* WebView/WebPreferences.mm:
(+[WebPreferences initialize]):
(-[WebPreferences mediaSourceEnabled]):
(-[WebPreferences setMediaSourceEnabled:]):
* WebView/WebPreferencesPrivate.h:
* WebView/WebView.mm:
(-[WebView _preferencesChanged:]):

Source/WebKit2:

Add a private WKPreferences API to control the WebCore mediaSourceEnabled setting.

* Shared/WebPreferencesStore.h:
* UIProcess/API/C/WKPreferences.cpp:
(WKPreferencesSetMediaSourceEnabled):
(WKPreferencesGetMediaSourceEnabled):
* UIProcess/API/C/WKPreferencesPrivate.h:
* WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::updatePreferences):

Tools:

Enable MediaSource in DRT and WKTR.

* DumpRenderTree/mac/DumpRenderTree.mm:
(resetWebPreferencesToConsistentValues):
* WebKitTestRunner/TestController.cpp:
(WTR::TestController::resetPreferencesToConsistentValues):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesmediasourceMediaSourceidl">trunk/Source/WebCore/Modules/mediasource/MediaSource.idl</a></li>
<li><a href="#trunkSourceWebCorepageSettingsin">trunk/Source/WebCore/page/Settings.in</a></li>
<li><a href="#trunkSourceWebKitmacChangeLog">trunk/Source/WebKit/mac/ChangeLog</a></li>
<li><a href="#trunkSourceWebKitmacWebViewWebPreferenceKeysPrivateh">trunk/Source/WebKit/mac/WebView/WebPreferenceKeysPrivate.h</a></li>
<li><a href="#trunkSourceWebKitmacWebViewWebPreferencesmm">trunk/Source/WebKit/mac/WebView/WebPreferences.mm</a></li>
<li><a href="#trunkSourceWebKitmacWebViewWebPreferencesPrivateh">trunk/Source/WebKit/mac/WebView/WebPreferencesPrivate.h</a></li>
<li><a href="#trunkSourceWebKitmacWebViewWebViewmm">trunk/Source/WebKit/mac/WebView/WebView.mm</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2SharedWebPreferencesStoreh">trunk/Source/WebKit2/Shared/WebPreferencesStore.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPICWKPreferencescpp">trunk/Source/WebKit2/UIProcess/API/C/WKPreferences.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPICWKPreferencesPrivateh">trunk/Source/WebKit2/UIProcess/API/C/WKPreferencesPrivate.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageWebPagecpp">trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp</a></li>
<li><a href="#trunkToolsChangeLog">trunk/Tools/ChangeLog</a></li>
<li><a href="#trunkToolsDumpRenderTreemacDumpRenderTreemm">trunk/Tools/DumpRenderTree/mac/DumpRenderTree.mm</a></li>
<li><a href="#trunkToolsWebKitTestRunnerTestControllercpp">trunk/Tools/WebKitTestRunner/TestController.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebCore/ChangeLog        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2013-12-05  Jer Noble  &lt;jer.noble@apple.com&gt;
+
+        [MSE] Add a runtime-setting for the MediaSource constructor.
+        https://bugs.webkit.org/show_bug.cgi?id=125336
+
+        Reviewed by Eric Carlson.
+
+        Add a Setting to enable the MediaSource constructor.
+
+        * Modules/mediasource/MediaSource.idl:
+        * page/Settings.in:
+
</ins><span class="cx"> 2013-12-06  Tim Horton  &lt;timothy_horton@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [mac] Keep around more decoded image data, since it's purgeable
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediasourceMediaSourceidl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediasource/MediaSource.idl (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediasource/MediaSource.idl        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebCore/Modules/mediasource/MediaSource.idl        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -32,6 +32,7 @@
</span><span class="cx">     Conditional=MEDIA_SOURCE,
</span><span class="cx">     ActiveDOMObject,
</span><span class="cx">     EventTarget,
</span><ins>+    EnabledBySetting=MediaSource,
</ins><span class="cx">     JSGenerateToJSObject,
</span><span class="cx">     JSGenerateToNativeObject,
</span><span class="cx">     Constructor,
</span></span></pre></div>
<a id="trunkSourceWebCorepageSettingsin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Settings.in (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Settings.in        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebCore/page/Settings.in        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -213,3 +213,4 @@
</span><span class="cx"> simpleLineLayoutDebugBordersEnabled initial=false, setNeedsStyleRecalcInAllFrames=1
</span><span class="cx"> 
</span><span class="cx"> backgroundShouldExtendBeyondPage initial=false
</span><ins>+mediaSourceEnabled initial=false
</ins></span></pre></div>
<a id="trunkSourceWebKitmacChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/ChangeLog (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/ChangeLog        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit/mac/ChangeLog        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -1,3 +1,21 @@
</span><ins>+2013-12-05  Jer Noble  &lt;jer.noble@apple.com&gt;
+
+        [MSE] Add a runtime-setting for the MediaSource constructor.
+        https://bugs.webkit.org/show_bug.cgi?id=125336
+
+        Reviewed by Eric Carlson.
+
+        Add a private WebPreference which controls the WebCore mediaSourceEnabled setting.
+
+        * WebView/WebPreferenceKeysPrivate.h:
+        * WebView/WebPreferences.mm:
+        (+[WebPreferences initialize]):
+        (-[WebPreferences mediaSourceEnabled]):
+        (-[WebPreferences setMediaSourceEnabled:]):
+        * WebView/WebPreferencesPrivate.h:
+        * WebView/WebView.mm:
+        (-[WebView _preferencesChanged:]):
+
</ins><span class="cx"> 2013-12-05  Mark Lam  &lt;mark.lam@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         C Loop LLINT layout test regressions.
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebViewWebPreferenceKeysPrivateh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebView/WebPreferenceKeysPrivate.h (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebView/WebPreferenceKeysPrivate.h        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit/mac/WebView/WebPreferenceKeysPrivate.h        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -136,6 +136,7 @@
</span><span class="cx"> #define WebKitHiddenPageCSSAnimationSuspensionEnabledPreferenceKey @&quot;WebKitHiddenPageCSSAnimationSuspensionEnabled&quot;
</span><span class="cx"> #define WebKitLowPowerVideoAudioBufferSizeEnabledPreferenceKey @&quot;WebKitLowPowerVideoAudioBufferSizeEnabled&quot;
</span><span class="cx"> #define WebKitUseLegacyTextAlignPositionedElementBehaviorPreferenceKey @&quot;WebKitUseLegacyTextAlignPositionedElementBehavior&quot;
</span><ins>+#define WebKitMediaSourceEnabledPreferenceKey @&quot;WebKitMediaSourceEnabled&quot;
</ins><span class="cx"> 
</span><span class="cx"> // These are private both because callers should be using the cover methods and because the
</span><span class="cx"> // cover methods themselves are private.
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebViewWebPreferencesmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebView/WebPreferences.mm (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebView/WebPreferences.mm        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit/mac/WebView/WebPreferences.mm        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -431,6 +431,9 @@
</span><span class="cx"> #if !PLATFORM(IOS)
</span><span class="cx">         [NSNumber numberWithBool:NO],   WebKitVideoPluginProxyEnabledKey,
</span><span class="cx"> #endif
</span><ins>+#if ENABLE(MEDIA_SOURCE)
+        [NSNumber numberWithBool:NO], WebKitMediaSourceEnabledPreferenceKey,
+#endif
</ins><span class="cx">         nil];
</span><span class="cx"> 
</span><span class="cx"> 
</span><span class="lines">@@ -1946,6 +1949,16 @@
</span><span class="cx">     [self _setBoolValue:enabled forKey:WebKitUseLegacyTextAlignPositionedElementBehaviorPreferenceKey];
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+- (BOOL)mediaSourceEnabled
+{
+    return [self _boolValueForKey:WebKitMediaSourceEnabledPreferenceKey];
+}
+
+- (void)setMediaSourceEnabled:(BOOL)enabled
+{
+    [self _setBoolValue:enabled forKey:WebKitMediaSourceEnabledPreferenceKey];
+}
+
</ins><span class="cx"> @end
</span><span class="cx"> 
</span><span class="cx"> @implementation WebPreferences (WebInternal)
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebViewWebPreferencesPrivateh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebView/WebPreferencesPrivate.h (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebView/WebPreferencesPrivate.h        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit/mac/WebView/WebPreferencesPrivate.h        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -352,4 +352,7 @@
</span><span class="cx"> - (void)setUseLegacyTextAlignPositionedElementBehavior:(BOOL)flag;
</span><span class="cx"> - (BOOL)useLegacyTextAlignPositionedElementBehavior;
</span><span class="cx"> 
</span><ins>+- (void)setMediaSourceEnabled:(BOOL)flag;
+- (BOOL)mediaSourceEnabled;
+
</ins><span class="cx"> @end
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebViewWebViewmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebView/WebView.mm (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebView/WebView.mm        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit/mac/WebView/WebView.mm        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -1688,6 +1688,10 @@
</span><span class="cx">     settings-&gt;setVideoPluginProxyEnabled([preferences isVideoPluginProxyEnabled]);
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><ins>+#if ENABLE(MEDIA_SOURCE)
+    settings.setMediaSourceEnabled([preferences mediaSourceEnabled]);
+#endif
+
</ins><span class="cx">     switch ([preferences storageBlockingPolicy]) {
</span><span class="cx">     case WebAllowAllStorage:
</span><span class="cx">         settings.setStorageBlockingPolicy(SecurityOrigin::AllowAllStorage);
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit2/ChangeLog        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -1,3 +1,20 @@
</span><ins>+2013-12-05  Jer Noble  &lt;jer.noble@apple.com&gt;
+
+        [MSE] Add a runtime-setting for the MediaSource constructor.
+        https://bugs.webkit.org/show_bug.cgi?id=125336
+
+        Reviewed by Eric Carlson.
+
+        Add a private WKPreferences API to control the WebCore mediaSourceEnabled setting.
+
+        * Shared/WebPreferencesStore.h:
+        * UIProcess/API/C/WKPreferences.cpp:
+        (WKPreferencesSetMediaSourceEnabled):
+        (WKPreferencesGetMediaSourceEnabled):
+        * UIProcess/API/C/WKPreferencesPrivate.h:
+        * WebProcess/WebPage/WebPage.cpp:
+        (WebKit::WebPage::updatePreferences):
+
</ins><span class="cx"> 2013-12-06  Dan Bernstein  &lt;mitz@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         &lt;rdar://problem/15606872&gt; REGRESSION (r160148): Mail throws an exception during launch
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebPreferencesStoreh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebPreferencesStore.h (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebPreferencesStore.h        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit2/Shared/WebPreferencesStore.h        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -178,6 +178,7 @@
</span><span class="cx">     macro(VideoPluginProxyEnabled, isVideoPluginProxyEnabled, Bool, bool, DEFAULT_VIDEO_PLUGIN_PROXY_ENABLED) \
</span><span class="cx">     macro(UseLegacyTextAlignPositionedElementBehavior, useLegacyTextAlignPositionedElementBehavior, Bool, bool, false) \
</span><span class="cx">     macro(SpatialNavigationEnabled, spatialNavigationEnabled, Bool, bool, false) \
</span><ins>+    macro(MediaSourceEnabled, mediaSourceEnabled, Bool, bool, false) \
</ins><span class="cx">     \
</span><span class="cx"> 
</span><span class="cx"> #define FOR_EACH_WEBKIT_DOUBLE_PREFERENCE(macro) \
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPICWKPreferencescpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/C/WKPreferences.cpp (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/C/WKPreferences.cpp        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit2/UIProcess/API/C/WKPreferences.cpp        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -1245,3 +1245,13 @@
</span><span class="cx"> {
</span><span class="cx">     return toImpl(preferencesRef)-&gt;spatialNavigationEnabled();
</span><span class="cx"> }
</span><ins>+
+void WKPreferencesSetMediaSourceEnabled(WKPreferencesRef preferencesRef, bool enabled)
+{
+    toImpl(preferencesRef)-&gt;setMediaSourceEnabled(enabled);
+}
+
+bool WKPreferencesGetMediaSourceEnabled(WKPreferencesRef preferencesRef)
+{
+    return toImpl(preferencesRef)-&gt;mediaSourceEnabled();
+}
</ins></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPICWKPreferencesPrivateh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/C/WKPreferencesPrivate.h (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/C/WKPreferencesPrivate.h        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit2/UIProcess/API/C/WKPreferencesPrivate.h        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -314,6 +314,10 @@
</span><span class="cx"> WK_EXPORT void WKPreferencesSetUseLegacyTextAlignPositionedElementBehavior(WKPreferencesRef preferencesRef, bool enabled);
</span><span class="cx"> WK_EXPORT bool WKPreferencesUseLegacyTextAlignPositionedElementBehavior(WKPreferencesRef preferencesRef);
</span><span class="cx"> 
</span><ins>+// Defaults to false.
+WK_EXPORT void WKPreferencesSetMediaSourceEnabled(WKPreferencesRef preferencesRef, bool enabled);
+WK_EXPORT bool WKPreferencesGetMediaSourceEnabled(WKPreferencesRef preferencesRef);
+
</ins><span class="cx"> #ifdef __cplusplus
</span><span class="cx"> }
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -2528,6 +2528,10 @@
</span><span class="cx"> 
</span><span class="cx">     settings.setUseLegacyTextAlignPositionedElementBehavior(store.getBoolValueForKey(WebPreferencesKey::useLegacyTextAlignPositionedElementBehaviorKey()));
</span><span class="cx"> 
</span><ins>+#if ENABLE(MEDIA_SOURCE)
+    settings.setMediaSourceEnabled(store.getBoolValueForKey(WebPreferencesKey::mediaSourceEnabledKey()));
+#endif
+
</ins><span class="cx">     platformPreferencesDidChange(store);
</span><span class="cx"> 
</span><span class="cx">     if (m_drawingArea)
</span></span></pre></div>
<a id="trunkToolsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Tools/ChangeLog (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/ChangeLog        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Tools/ChangeLog        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -1,5 +1,19 @@
</span><span class="cx"> 2013-12-06  Jer Noble  &lt;jer.noble@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        [MSE] Add a runtime-setting for the MediaSource constructor.
+        https://bugs.webkit.org/show_bug.cgi?id=125336
+
+        Reviewed by Eric Carlson.
+
+        Enable MediaSource in DRT and WKTR.
+
+        * DumpRenderTree/mac/DumpRenderTree.mm:
+        (resetWebPreferencesToConsistentValues):
+        * WebKitTestRunner/TestController.cpp:
+        (WTR::TestController::resetPreferencesToConsistentValues):
+
+2013-12-06  Jer Noble  &lt;jer.noble@apple.com&gt;
+
</ins><span class="cx">         Strip out extraneous logging from AppleGVA in media tests.
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=125357
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkToolsDumpRenderTreemacDumpRenderTreemm"></a>
<div class="modfile"><h4>Modified: trunk/Tools/DumpRenderTree/mac/DumpRenderTree.mm (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/DumpRenderTree/mac/DumpRenderTree.mm        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Tools/DumpRenderTree/mac/DumpRenderTree.mm        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -670,6 +670,10 @@
</span><span class="cx"> 
</span><span class="cx">     [preferences setScreenFontSubstitutionEnabled:YES];
</span><span class="cx"> 
</span><ins>+#if ENABLE(MEDIA_SOURCE)
+    [preferences setMediaSourceEnabled:YES];
+#endif
+
</ins><span class="cx">     [WebPreferences _setCurrentNetworkLoaderSessionCookieAcceptPolicy:NSHTTPCookieAcceptPolicyOnlyFromMainDocumentDomain];
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkToolsWebKitTestRunnerTestControllercpp"></a>
<div class="modfile"><h4>Modified: trunk/Tools/WebKitTestRunner/TestController.cpp (160260 => 160261)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/WebKitTestRunner/TestController.cpp        2013-12-07 00:45:11 UTC (rev 160260)
+++ trunk/Tools/WebKitTestRunner/TestController.cpp        2013-12-07 00:56:24 UTC (rev 160261)
</span><span class="lines">@@ -554,6 +554,9 @@
</span><span class="cx">     WKPreferencesSetSerifFontFamily(preferences, serifFontFamily);
</span><span class="cx">     WKPreferencesSetScreenFontSubstitutionEnabled(preferences, true);
</span><span class="cx">     WKPreferencesSetAsynchronousSpellCheckingEnabled(preferences, false);
</span><ins>+#if ENABLE(WEB_AUDIO)
+    WKPreferencesSetMediaSourceEnabled(preferences, true);
+#endif
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool TestController::resetStateToConsistentValues()
</span></span></pre>
</div>
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