Revert of Converted video frame and image callbacks to use new sync tokens.

gpu/command_buffer/client/gpu_memory_buffer_manager.h

Index: gpu/command_buffer/client/gpu_memory_buffer_manager.h
diff --git a/gpu/command_buffer/client/gpu_memory_buffer_manager.h b/gpu/command_buffer/client/gpu_memory_buffer_manager.h
index c95f841c3f72a414d1047cfdec2b7a3f1e2197f0..9502b28594dffd02ac47c2fa48edb55a1ff20589 100644
--- a/gpu/command_buffer/client/gpu_memory_buffer_manager.h
+++ b/gpu/command_buffer/client/gpu_memory_buffer_manager.h
@@ -11,8 +11,6 @@
 #include "ui/gfx/gpu_memory_buffer.h"
 
 namespace gpu {
-
-struct SyncToken;
 
 class GPU_EXPORT GpuMemoryBufferManager {
  public:
@@ -36,8 +34,8 @@
       ClientBuffer buffer) = 0;
 
   // Associates destruction sync point with |buffer|.
-  virtual void SetDestructionSyncToken(gfx::GpuMemoryBuffer* buffer,
-                                       const gpu::SyncToken& sync_token) = 0;
+  virtual void SetDestructionSyncPoint(gfx::GpuMemoryBuffer* buffer,
+                                       uint32 sync_point) = 0;
 
  protected:
   virtual ~GpuMemoryBufferManager();