gpu: Increase thread priority for waited-on uploads.

gpu/command_buffer/service/async_pixel_transfer_delegate_share_group.cc

 // Copyright 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_share_group.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 377 matching lines @@
 
 void AsyncPixelTransferDelegateShareGroup::WaitForTransferCompletion(
       AsyncPixelTransferState* transfer_state) {
   scoped_refptr<TransferStateInternal> state =
       static_cast<AsyncTransferStateImpl*>(transfer_state)->internal();
   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 86 matching lines @@
 }
 
 void AsyncPixelTransferDelegateShareGroup::ProcessMorePendingTransfers() {
 }
 
 bool AsyncPixelTransferDelegateShareGroup::NeedsProcessMorePendingTransfers() {
   return false;
 }
 
 }  // namespace gpu