Use an explicit PID for duplicating Pepper handles rather than the Channel's.

content/renderer/render_view_pepper_helper.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.
 
 // This interface is used by RenderView to talk to the pepper plugin delegate.
 #ifndef CONTENT_RENDERER_RENDER_VIEW_PEPPER_HELPER_H
 #define CONTENT_RENDERER_RENDER_VIEW_PEPPER_HELPER_H
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/platform_file.h"
+#include "base/process.h"
 #include "ui/base/ime/text_input_type.h"
 
 class TransportDIB;
 
 namespace gfx {
 class Rect;
 }
 
 namespace IPC {
 struct ChannelHandle;
@@ skipping 43 matching lines @@
   virtual void ViewInitiatedPaint() {}
   virtual void ViewFlushedPaint() {}
 
   // Called by RenderView when ViewMsg_AsyncOpenFile_ACK.
   virtual void OnAsyncFileOpened(base::PlatformFileError error_code,
                                  base::PlatformFile file,
                                  int message_id) {}
 
   // Called by RenderView when ViewMsg_PpapiBrokerChannelCreated.
   virtual void OnPpapiBrokerChannelCreated(int request_id,
+                                           base::ProcessId broker_pid,
                                            const IPC::ChannelHandle& handle) {}
 
   // Called when we know whether permission to access the PPAPI broker was
   // granted.
   virtual void OnPpapiBrokerPermissionResult(int request_id, bool result) {}
 
   // Notification that the render view has been focused or defocused. This
   // notifies all of the plugins.
   virtual void OnSetFocus(bool has_focus) {}
 
@@ skipping 19 matching lines @@
   // Notification that a mouse event has arrived at the render view.
   virtual void WillHandleMouseEvent() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderViewPepperHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_PEPPER_HELPER_H