Implement WebKit::Platform::isThreadedCompositingEnabled()

webkit/support/webkit_support.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WEBKIT_SUPPORT_WEBKIT_SUPPORT_H_
 #define WEBKIT_SUPPORT_WEBKIT_SUPPORT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 139 matching lines @@
     LayerTreeViewType type,
     DRTLayerTreeViewClient* client,
     WebKit::WebThread* thread);
 
 // DEPRECATED. TODO(jamesr): Remove these two after fixing WebKit-side callers.
 WebKit::WebLayerTreeView* CreateLayerTreeViewSoftware(
     DRTLayerTreeViewClient* client);
 WebKit::WebLayerTreeView* CreateLayerTreeView3d(
     DRTLayerTreeViewClient* client);
 
+#define WEBKIT_SUPPORT_HAS_SET_THREADING_COMPOSITING_ENABLED 1
+void SetThreadedCompositorEnabled(bool enabled);
+
 // ------- URL load mocking.
 // Registers the file at |file_path| to be served when |url| is requested.
 // |response| is the response provided with the contents.
 void RegisterMockedURL(const WebKit::WebURL& url,
                        const WebKit::WebURLResponse& response,
                        const WebKit::WebString& file_path);
 
 // Registers the error to be returned when |url| is requested.
 void RegisterMockedErrorURL(const WebKit::WebURL& url,
                             const WebKit::WebURLResponse& response,
@@ skipping 144 matching lines @@
 
 void EnableWebCoreLogChannels(const std::string& channels);
 
 // - Gamepad
 
 void SetGamepadData(const WebKit::WebGamepads& pads);
 
 }  // namespace webkit_support
 
 #endif  // WEBKIT_SUPPORT_WEBKIT_SUPPORT_H_