gpu: Reuse transfer buffers more aggresively

gpu/command_buffer/service/async_pixel_transfer_manager_egl.cc

Index: gpu/command_buffer/service/async_pixel_transfer_manager_egl.cc
diff --git a/gpu/command_buffer/service/async_pixel_transfer_manager_egl.cc b/gpu/command_buffer/service/async_pixel_transfer_manager_egl.cc
index 3f3acc5f88d6b703d556607801358c6aee097a29..aae8598c1f92f7edc734f1270a88529d92e73faa 100644
--- a/gpu/command_buffer/service/async_pixel_transfer_manager_egl.cc
+++ b/gpu/command_buffer/service/async_pixel_transfer_manager_egl.cc
@@ -730,6 +730,10 @@ void AsyncPixelTransferManagerEGL::BindCompletedAsyncTransfers() {
   }
 }
 
+void AsyncPixelTransferManagerEGL::AsyncRun(const base::Closure& callback) {
+  transfer_message_loop_proxy()->PostTask(FROM_HERE, callback);
+}
+
 void AsyncPixelTransferManagerEGL::AsyncNotifyCompletion(
     const AsyncMemoryParams& mem_params,
     AsyncPixelTransferCompletionObserver* observer) {
@@ -738,8 +742,7 @@ void AsyncPixelTransferManagerEGL::AsyncNotifyCompletion(
             mem_params.shm_size);
   // Post a PerformNotifyCompletion task to the upload thread. This task
   // will run after all async transfers are complete.
-  transfer_message_loop_proxy()->PostTask(
-      FROM_HERE,
+  AsyncRun(
       base::Bind(&PerformNotifyCompletion,
                  mem_params,
                  base::Owned(