Aura: Less image transport IPCs and less code.

content/common/gpu/image_transport_surface_mac.cc

 // 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.
 
 #if defined(ENABLE_GPU)
 
 #include "content/common/gpu/image_transport_surface.h"
 
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 25 matching lines @@
   virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE;
   virtual std::string GetExtensions() OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool OnMakeCurrent(gfx::GLContext* context) OVERRIDE;
   virtual unsigned int GetBackingFrameBufferObject() OVERRIDE;
   virtual void SetBackbufferAllocation(bool allocated) OVERRIDE;
   virtual void SetFrontbufferAllocation(bool allocated) OVERRIDE;
 
  protected:
   // ImageTransportSurface implementation
-  virtual void OnNewSurfaceACK(uint64 surface_handle,
-                               TransportDIB::Handle shm_handle) OVERRIDE;
   virtual void OnBufferPresented(uint32 sync_point) OVERRIDE;
   virtual void OnResizeViewACK() OVERRIDE;
   virtual void OnResize(gfx::Size size) OVERRIDE;
 
  private:
   virtual ~IOSurfaceImageTransportSurface() OVERRIDE;
 
   void AdjustBufferAllocation();
   void UnrefIOSurface();
   void CreateIOSurface();
@@ skipping 203 matching lines @@
 
 void IOSurfaceImageTransportSurface::OnBufferPresented(uint32 sync_point) {
   DCHECK(is_swap_buffers_pending_);
   is_swap_buffers_pending_ = false;
   if (did_unschedule_) {
     did_unschedule_ = false;
     helper_->SetScheduled(true);
   }
 }
 
-void IOSurfaceImageTransportSurface::OnNewSurfaceACK(
-    uint64 surface_handle,
-    TransportDIB::Handle /* shm_handle */) {
-  NOTREACHED();
-}
-
 void IOSurfaceImageTransportSurface::OnResizeViewACK() {
   NOTREACHED();
 }
 
 void IOSurfaceImageTransportSurface::OnResize(gfx::Size size) {
   // Caching |context_| from OnMakeCurrent. It should still be current.
   DCHECK(context_->IsCurrent(this));
 
   size_ = size;
 
@@ skipping 118 matching lines @@
       NOTREACHED();
       return NULL;
   }
   if (surface->Initialize())
     return surface;
   else
     return NULL;
 }
 
 #endif  // defined(USE_GPU)