JavaScriptBench
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‎Source/WebKit/ChangeLog‎
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‎Source/WebKit/ChangeLog‎
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+19Lines changed: 19 additions & 0 deletions
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‎Source/WebKit/Platform/mac/LayerHostingContext.h‎
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‎Source/WebKit/Platform/mac/LayerHostingContext.h‎
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‎Source/WebKit/Platform/mac/LayerHostingContext.mm‎
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‎Source/WebKit/Platform/mac/LayerHostingContext.mm‎
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‎Source/WebKit/PluginProcess/mac/PluginControllerProxyMac.mm‎
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‎Source/WebKit/PluginProcess/mac/PluginControllerProxyMac.mm‎
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@@ -1,3 +1,22 @@
+2018-03-15  Brent Fulgham  <bfulgham@apple.com>
+
+        REGRESSION(r229484): Plugins often require CGS Connections to draw
+        https://bugs.webkit.org/show_bug.cgi?id=183663
+        <rdar://problem/38439218>
+
+        Reviewed by Per Arne Vollan.
+
+        Flash requires an active CGSConnection to work properly. Since we don't want the WebContent
+        process to have on, create a new plugin process-specific layer host creation method that
+        gives this access.
+
+        * Platform/mac/LayerHostingContext.h:
+        * Platform/mac/LayerHostingContext.mm:
+        (WebKit::LayerHostingContext::createForExternalPluginHostingProcess): Added.
+        * PluginProcess/mac/PluginControllerProxyMac.mm:
+        (WebKit::PluginControllerProxy::updateLayerHostingContext): Use the new creation
+        method.
+
 2018-03-15  Zan Dobersek  <zdobersek@igalia.com>
 
         [TexMap] Remove TextureMapperLayer::texture()
 
@@ -46,6 +46,9 @@ class LayerHostingContext {
     static std::unique_ptr<LayerHostingContext> createForPort(const WebCore::MachSendRight& serverPort);
 #if HAVE(OUT_OF_PROCESS_LAYER_HOSTING)
     static std::unique_ptr<LayerHostingContext> createForExternalHostingProcess();
+#if PLATFORM(MAC)
+    static std::unique_ptr<LayerHostingContext> createForExternalPluginHostingProcess();
+#endif
 #endif
 
     LayerHostingContext();
 
@@ -72,7 +72,17 @@
 
     return layerHostingContext;
 }
+
+#if PLATFORM(MAC)
+std::unique_ptr<LayerHostingContext> LayerHostingContext::createForExternalPluginHostingProcess()
+{
+    auto layerHostingContext = std::make_unique<LayerHostingContext>();
+    layerHostingContext->m_layerHostingMode = LayerHostingMode::OutOfProcess;
+    layerHostingContext->m_context = [CAContext contextWithCGSConnection:CGSMainConnectionID() options:@{ kCAContextCIFilterBehavior : @"ignore" }];
+    return layerHostingContext;
+}
 #endif
+#endif // HAVE(OUT_OF_PROCESS_LAYER_HOSTING)
 
 LayerHostingContext::LayerHostingContext()
 {
 
@@ -130,7 +130,7 @@
             break;
 #if HAVE(OUT_OF_PROCESS_LAYER_HOSTING)
         case LayerHostingMode::OutOfProcess:
-            m_layerHostingContext = LayerHostingContext::createForExternalHostingProcess();
+            m_layerHostingContext = LayerHostingContext::createForExternalPluginHostingProcess();
             break;
 #endif
     }