gpu: Reuse transfer buffers more aggresively

gpu/command_buffer/service/async_pixel_transfer_manager_idle.h

Index: gpu/command_buffer/service/async_pixel_transfer_manager_idle.h
diff --git a/gpu/command_buffer/service/async_pixel_transfer_manager_idle.h b/gpu/command_buffer/service/async_pixel_transfer_manager_idle.h
index e7f990e317a9b4dabf6d37b26ec1474d38a0a8fc..af3262f2889b76bd26853ca4745cb49f05028b6d 100644
--- a/gpu/command_buffer/service/async_pixel_transfer_manager_idle.h
+++ b/gpu/command_buffer/service/async_pixel_transfer_manager_idle.h
@@ -25,14 +25,19 @@ class AsyncPixelTransferManagerIdle : public AsyncPixelTransferManager {
   virtual base::TimeDelta GetTotalTextureUploadTime() OVERRIDE;
   virtual void ProcessMorePendingTransfers() OVERRIDE;
   virtual bool NeedsProcessMorePendingTransfers() OVERRIDE;
+  virtual void WaitAllAsyncTexImage2D() OVERRIDE;
 
   struct Task {
-    Task(uint64 transfer_id, const base::Closure& task);
+    Task(uint64 transfer_id,
+         AsyncPixelTransferDelegate* delegate,
+         const base::Closure& task);
     ~Task();
 
     // This is non-zero if pixel transfer task.
     uint64 transfer_id;
 
+    AsyncPixelTransferDelegate* delegate;
+
     base::Closure task;
   };