Make fullscreen pepper flash create a texture layer with software compositor

content/renderer/pepper/pepper_graphics_2d_host.h

Index: content/renderer/pepper/pepper_graphics_2d_host.h
diff --git a/content/renderer/pepper/pepper_graphics_2d_host.h b/content/renderer/pepper/pepper_graphics_2d_host.h
index 3c1abb09b8cfbc7e5cce33709e95892cfd6e4d17..ad8c94d4fb2f3411139d27c498fb8b273a0cdc60 100644
--- a/content/renderer/pepper/pepper_graphics_2d_host.h
+++ b/content/renderer/pepper/pepper_graphics_2d_host.h
@@ -16,6 +16,8 @@
 #include "ppapi/host/resource_host.h"
 #include "third_party/WebKit/public/platform/WebCanvas.h"
 
+namespace cc { class TextureMailbox; }
+
 namespace gfx {
 class Point;
 class Rect;
@@ -57,6 +59,9 @@ class CONTENT_EXPORT PepperGraphics2DHost
              const gfx::Rect& plugin_rect,
              const gfx::Rect& paint_rect);
 
+  bool PrepareTextureMailbox(cc::TextureMailbox* mailbox);
+  void AttachedToNewLayer();
+
   // Notifications about the view's progress painting.  See PluginInstance.
   // These messages are used to send Flush callbacks to the plugin.
   void ViewWillInitiatePaint();
@@ -169,6 +174,8 @@ class CONTENT_EXPORT PepperGraphics2DHost
 
   bool is_running_in_process_;
 
+  bool texture_mailbox_modified_;
+
   friend class PepperGraphics2DHostTest;
   DISALLOW_COPY_AND_ASSIGN(PepperGraphics2DHost);
 };