Move Pepper to using mailboxes

webkit/plugins/ppapi/plugin_delegate.h

Index: webkit/plugins/ppapi/plugin_delegate.h
diff --git a/webkit/plugins/ppapi/plugin_delegate.h b/webkit/plugins/ppapi/plugin_delegate.h
index acbba067eda4cd4cd7f19df67146e8bd0bdb4085..3de2d165eea88297b869045956976abb3686f4e1 100644
--- a/webkit/plugins/ppapi/plugin_delegate.h
+++ b/webkit/plugins/ppapi/plugin_delegate.h
@@ -16,6 +16,7 @@
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
 #include "base/time.h"
+#include "cc/resources/texture_mailbox.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_platform_file.h"
 #include "media/video/capture/video_capture.h"
@@ -63,6 +64,7 @@ class Point;
 
 namespace gpu {
 class CommandBuffer;
+struct Mailbox;
 }
 
 namespace ppapi {
@@ -219,12 +221,10 @@ class PluginDelegate {
     virtual bool Init(const int32* attrib_list,
                       PlatformContext3D* share_context) = 0;
 
-    // If the plugin instance is backed by an OpenGL, return its ID in the
-    // compositors namespace. Otherwise return 0. Returns 0 by default.
-    virtual unsigned GetBackingTextureId() = 0;
-
-    // Returns the parent context that allocated the backing texture ID.
-    virtual WebKit::WebGraphicsContext3D* GetParentContext() = 0;
+    // If the plugin instance is backed by an OpenGL texture, retrieves the
+    // mailbox identifier and sync_point, and return true.  Otherwise return

[danakj, 2013/06/05 14:13:33]

Where's the sync point that this comment speaks of?

[piman, 2013/06/05 17:57:55]

Sorry, copy & paste from the future. Fixed.

+    // false.
+    virtual void GetBackingMailbox(::gpu::Mailbox* mailbox) = 0;
 
     // Returns true if the backing texture is always opaque.
     virtual bool IsOpaque() = 0;
@@ -412,9 +412,6 @@ class PluginDelegate {
   // The caller will own the pointer returned from this.
   virtual PlatformContext3D* CreateContext3D() = 0;
 
-  // Set that the context will now present to the delegate.
-  virtual void ReparentContext(PlatformContext3D*) = 0;
-
   // If |device_id| is empty, the default video capture device will be used. The
   // user can start using the returned object to capture video right away.
   // Otherwise, the specified device will be used. The user needs to wait till