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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/162075">162075</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2014-01-15 09:46:58 -0800 (Wed, 15 Jan 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Unreviewed, rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/162054">r162054</a>.
http://trac.webkit.org/changeset/162054
https://bugs.webkit.org/show_bug.cgi?id=127053

Causes assertion failures in DumpRenderTree (Requested by ap
on #webkit).

* WebView/WebPreferences.mm:
(-[WebPreferences initWithIdentifier:sendChangeNotification:initWithIdentifier:]):
(-[WebPreferences initWithCoder:]):
(+[WebPreferences standardPreferences]):
(-[WebPreferences dealloc]):
(-[WebPreferences setPrivateBrowsingEnabled:]):
(-[WebPreferences _invalidateCachedPreferences]):
* WebView/WebView.mm:
(-[WebView _preferencesChanged:]):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKitmacChangeLog">trunk/Source/WebKit/mac/ChangeLog</a></li>
<li><a href="#trunkSourceWebKitmacWebViewWebPreferencesmm">trunk/Source/WebKit/mac/WebView/WebPreferences.mm</a></li>
<li><a href="#trunkSourceWebKitmacWebViewWebViewmm">trunk/Source/WebKit/mac/WebView/WebView.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKitmacChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/ChangeLog (162074 => 162075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/ChangeLog        2014-01-15 17:45:43 UTC (rev 162074)
+++ trunk/Source/WebKit/mac/ChangeLog        2014-01-15 17:46:58 UTC (rev 162075)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2014-01-15  Commit Queue  &lt;commit-queue@webkit.org&gt;
+
+        Unreviewed, rolling out r162054.
+        http://trac.webkit.org/changeset/162054
+        https://bugs.webkit.org/show_bug.cgi?id=127053
+
+        Causes assertion failures in DumpRenderTree (Requested by ap
+        on #webkit).
+
+        * WebView/WebPreferences.mm:
+        (-[WebPreferences initWithIdentifier:sendChangeNotification:initWithIdentifier:]):
+        (-[WebPreferences initWithCoder:]):
+        (+[WebPreferences standardPreferences]):
+        (-[WebPreferences dealloc]):
+        (-[WebPreferences setPrivateBrowsingEnabled:]):
+        (-[WebPreferences _invalidateCachedPreferences]):
+        * WebView/WebView.mm:
+        (-[WebView _preferencesChanged:]):
+
</ins><span class="cx"> 2014-01-14  Alexey Proskuryakov  &lt;ap@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Crash when multiple WebView instances have different PrivateBrowsing settings
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebViewWebPreferencesmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebView/WebPreferences.mm (162074 => 162075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebView/WebPreferences.mm        2014-01-15 17:45:43 UTC (rev 162074)
+++ trunk/Source/WebKit/mac/WebView/WebPreferences.mm        2014-01-15 17:46:58 UTC (rev 162075)
</span><span class="lines">@@ -70,8 +70,6 @@
</span><span class="cx"> static WebPreferences *_standardPreferences;
</span><span class="cx"> static NSMutableDictionary *webPreferencesInstances;
</span><span class="cx"> 
</span><del>-static unsigned webPreferencesInstanceCountWithPrivateBrowsingEnabled;
-
</del><span class="cx"> static bool contains(const char* const array[], int count, const char* item)
</span><span class="cx"> {
</span><span class="cx">     if (!item)
</span><span class="lines">@@ -266,8 +264,6 @@
</span><span class="cx"> 
</span><span class="cx">     [[self class] _setInstance:self forIdentifier:_private-&gt;identifier.get()];
</span><span class="cx"> 
</span><del>-    [self _updatePrivateBrowsingStateFrom:NO to:[self privateBrowsingEnabled]];
-
</del><span class="cx"> #if PLATFORM(IOS)
</span><span class="cx">     if (sendChangeNotification) {
</span><span class="cx">         [self _postPreferencesChangedNotification];
</span><span class="lines">@@ -324,7 +320,6 @@
</span><span class="cx">         self = [instance retain];
</span><span class="cx">     } else {
</span><span class="cx">         [[self class] _setInstance:self forIdentifier:_private-&gt;identifier.get()];
</span><del>-        [self _updatePrivateBrowsingStateFrom:NO to:[self privateBrowsingEnabled]];
</del><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     return self;
</span><span class="lines">@@ -365,7 +360,6 @@
</span><span class="cx">         [_standardPreferences setAutosaves:YES];
</span><span class="cx">     }
</span><span class="cx"> #else
</span><del>-    // FIXME: This check is necessary to avoid recursion (see &lt;rdar://problem/9564337&gt;), but it also makes _standardPreferences construction not thread safe.
</del><span class="cx">     if (_standardPreferences)
</span><span class="cx">         return _standardPreferences;
</span><span class="cx"> 
</span><span class="lines">@@ -606,8 +600,6 @@
</span><span class="cx"> 
</span><span class="cx"> - (void)dealloc
</span><span class="cx"> {
</span><del>-    [self _updatePrivateBrowsingStateFrom:[self privateBrowsingEnabled] to:NO];
-
</del><span class="cx">     delete _private;
</span><span class="cx">     [super dealloc];
</span><span class="cx"> }
</span><span class="lines">@@ -1080,10 +1072,9 @@
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><del>-- (void)setPrivateBrowsingEnabled:(BOOL)enabled
</del><ins>+- (void)setPrivateBrowsingEnabled:(BOOL)flag
</ins><span class="cx"> {
</span><del>-    [self _updatePrivateBrowsingStateFrom:[self privateBrowsingEnabled] to:enabled];
-    [self _setBoolValue:enabled forKey:WebKitPrivateBrowsingEnabledPreferenceKey];
</del><ins>+    [self _setBoolValue:flag forKey:WebKitPrivateBrowsingEnabledPreferenceKey];
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (BOOL)privateBrowsingEnabled
</span><span class="lines">@@ -1091,21 +1082,6 @@
</span><span class="cx">     return [self _boolValueForKey:WebKitPrivateBrowsingEnabledPreferenceKey];
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-- (void)_updatePrivateBrowsingStateFrom:(BOOL)wasEnabled to:(BOOL)enabled
-{
-    if (enabled == wasEnabled)
-        return;
-    if (enabled &gt; wasEnabled) {
-        WebFrameNetworkingContext::ensurePrivateBrowsingSession();
-        ++webPreferencesInstanceCountWithPrivateBrowsingEnabled;
-    } else {
-        ASSERT(webPreferencesInstanceCountWithPrivateBrowsingEnabled);
-        --webPreferencesInstanceCountWithPrivateBrowsingEnabled;
-        if (!webPreferencesInstanceCountWithPrivateBrowsingEnabled)
-            WebFrameNetworkingContext::destroyPrivateBrowsingSession();
-    }
-}
-
</del><span class="cx"> - (void)setUsesPageCache:(BOOL)usesPageCache
</span><span class="cx"> {
</span><span class="cx">     [self _setBoolValue:usesPageCache forKey:WebKitUsesPageCachePreferenceKey];
</span><span class="lines">@@ -2289,15 +2265,11 @@
</span><span class="cx"> #if PLATFORM(IOS)
</span><span class="cx"> - (void)_invalidateCachedPreferences
</span><span class="cx"> {
</span><del>-    BOOL privateBrowsingWasEnabled = [self privateBrowsingEnabled];
-
</del><span class="cx">     dispatch_barrier_sync(_private-&gt;readWriteQueue, ^{
</span><span class="cx">         if (_private-&gt;values)
</span><span class="cx">             _private-&gt;values = adoptNS([[NSMutableDictionary alloc] init]);
</span><span class="cx">     });
</span><span class="cx"> 
</span><del>-    [self _updatePrivateBrowsingStateFrom:privateBrowsingWasEnabled to:[self privateBrowsingEnabled]];
-
</del><span class="cx">     // Tell any live WebViews to refresh their preferences
</span><span class="cx">     [self _postPreferencesChangedNotification];
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebViewWebViewmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebView/WebView.mm (162074 => 162075)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebView/WebView.mm        2014-01-15 17:45:43 UTC (rev 162074)
+++ trunk/Source/WebKit/mac/WebView/WebView.mm        2014-01-15 17:46:58 UTC (rev 162075)
</span><span class="lines">@@ -2316,7 +2316,16 @@
</span><span class="cx"> #if !PLATFORM(IOS)
</span><span class="cx">     settings.setExperimentalNotificationsEnabled([preferences experimentalNotificationsEnabled]);
</span><span class="cx"> #endif
</span><del>-    settings.setPrivateBrowsingEnabled([preferences privateBrowsingEnabled]);
</del><ins>+
+    bool privateBrowsingEnabled = [preferences privateBrowsingEnabled];
+#if PLATFORM(MAC) || USE(CFNETWORK)
+    if (privateBrowsingEnabled)
+        WebFrameNetworkingContext::ensurePrivateBrowsingSession();
+    else
+        WebFrameNetworkingContext::destroyPrivateBrowsingSession();
+#endif
+    settings.setPrivateBrowsingEnabled(privateBrowsingEnabled);
+
</ins><span class="cx">     settings.setSansSerifFontFamily([preferences sansSerifFontFamily]);
</span><span class="cx">     settings.setSerifFontFamily([preferences serifFontFamily]);
</span><span class="cx">     settings.setStandardFontFamily([preferences standardFontFamily]);
</span></span></pre>
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