gpu: Increase thread priority for waited-on uploads.

gpu/command_buffer/service/async_pixel_transfer_delegate_egl.cc

 // Copyright (c) 2013 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.
 
 #include "gpu/command_buffer/service/async_pixel_transfer_delegate_egl.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
@@ skipping 480 matching lines @@
 
 void AsyncPixelTransferDelegateEGL::WaitForTransferCompletion(
       AsyncPixelTransferState* transfer_state) {
   scoped_refptr<TransferStateInternal> state =
       static_cast<AsyncTransferStateImpl*>(transfer_state)->internal_.get();
   DCHECK(state);
   DCHECK(state->texture_id_);
 
   if (state->TransferIsInProgress()) {
 #if defined(OS_ANDROID) || defined(OS_LINUX)
-    g_transfer_thread.Pointer()->SetPriority(base::kThreadPriority_Normal);
+    g_transfer_thread.Pointer()->SetPriority(base::kThreadPriority_Display);
 #endif
 
     state->WaitForTransferCompletion();
     DCHECK(!state->TransferIsInProgress());
 
 #if defined(OS_ANDROID) || defined(OS_LINUX)
     g_transfer_thread.Pointer()->SetPriority(base::kThreadPriority_Background);
 #endif
   }
 }
@@ skipping 228 matching lines @@
   if (texture_upload_stats_) {
     texture_upload_stats_->AddUpload(
         base::TimeTicks::HighResNow() - begin_time);
   }
 
   DCHECK(CHECK_GL());
   return true;
 }
 
 }  // namespace gpu