gpu: reference target surfaces through a globally unique surface id.

content/public/browser/render_process_host.h

 // Copyright (c) 2011 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 CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
 #include "base/process.h"
@@ skipping 104 matching lines @@
 
   // Transport DIB functions ---------------------------------------------------
 
   // Return the TransportDIB for the given id. On Linux, this can involve
   // mapping shared memory. On Mac, the shared memory is created in the browser
   // process and the cached metadata is returned. On Windows, this involves
   // duplicating the handle from the remote process.  The RenderProcessHost
   // still owns the returned DIB.
   virtual TransportDIB* GetTransportDIB(TransportDIB::Id dib_id) = 0;
 
-  // RenderWidgetHost / compositing surface mapping functions ------------------
-
-  // Set a mapping from a RenderWidgetHost to a compositing surface. Pass a null
-  // handle to remove the mapping.
-  virtual void SetCompositingSurface(
-      int render_widget_id,
-      gfx::PluginWindowHandle compositing_surface) = 0;
-
   // Returns the user browser context associated with this renderer process.
   virtual content::BrowserContext* GetBrowserContext() const = 0;
 
   // Returns the unique ID for this child process. This can be used later in
   // a call to FromID() to get back to this object (this is used to avoid
   // sending non-threadsafe pointers to other threads).
   //
   // This ID will be unique for all child processes, including workers, plugins,
   // etc. It is generated by ChildProcessInfo.
   virtual int GetID() const = 0;
@@ skipping 92 matching lines @@
   // Overrides the default heuristic for limiting the max renderer process
   // count.  This is useful for unit testing process limit behaviors.
   // A value of zero means to use the default heuristic.
   static void SetMaxRendererProcessCountForTest(size_t count);
 };
 
 }  // namespace content.
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_