gpu: Remove async texture uploads.

ui/compositor/compositor_switches.cc

 // Copyright (c) 2012 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 "ui/compositor/compositor_switches.h"
 
 #include "base/command_line.h"
 
 namespace switches {
 
@@ skipping 16 matching lines @@
 }  // namespace switches
 
 namespace ui {
 
 bool IsUIZeroCopyEnabled() {
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   return command_line.HasSwitch(switches::kUIEnableZeroCopy);
 }
 
-bool IsUIOneCopyEnabled() {
-  // One-copy is on by default unless zero copy is enabled.
-  return !IsUIZeroCopyEnabled();
-}
-
 }  // namespace ui