WebKit merge 41660:41709 (WebKit side)....

third_party/WebKit/WebCore/platform/graphics/chromium/TransparencyWin.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  * 
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 116 matching lines @@
     TransparencyWin();
     ~TransparencyWin();
 
     // Initializes the members if you use the 0-argument constructor. Don't call
     // this if you use the multiple-argument constructor.
     void init(GraphicsContext* dest,
               LayerMode layerMode,
               TransformMode transformMode,
               const IntRect& region);
 
+    // Combines the source and destination bitmaps using the given mode.
+    void composite();
+
     // Returns the context for drawing into, which may be the destination
     // context, or a temporary one.
     GraphicsContext* context() const { return m_drawContext; }
 
     PlatformGraphicsContext* platformContext() const { return m_drawContext->platformContext(); }
 
     // When the mode is TextComposite, this sets the color that the text will
     // get. See the enum above for more.
     void setTextCompositeColor(Color color);
 
@@ skipping 93 matching lines @@
     // If a buffer was too big to be cached, it will be created temporarily, and
     // this member tracks its scope to make sure it gets deleted. Always use
     // m_layerBuffer, which will either point to this object, or the statically
     // cached one. Don't access directly.
     OwnPtr<OwnedBuffers> m_ownedBuffers;
 };
 
 } // namespace WebCore
 
 #endif // TransaprencyWin_h