gpu: Remove async texture uploads.

ui/compositor/compositor.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.h"
 
 #include <algorithm>
 #include <deque>
 
 #include "base/bind.h"
@@ skipping 118 matching lines @@
       command_line->HasSwitch(cc::switches::kUIShowScreenSpaceRects);
   settings.initial_debug_state.show_replica_screen_space_rects =
       command_line->HasSwitch(cc::switches::kUIShowReplicaScreenSpaceRects);
 
   settings.initial_debug_state.SetRecordRenderingStats(
       command_line->HasSwitch(cc::switches::kEnableGpuBenchmarking));
 
   settings.use_display_lists = true;
 
   settings.use_zero_copy = IsUIZeroCopyEnabled();
-  settings.use_one_copy = IsUIOneCopyEnabled();
 
   settings.renderer_settings.use_rgba_4444_textures =
       command_line->HasSwitch(switches::kUIEnableRGBA4444Textures);
 
   // Use PERSISTENT_MAP memory buffers to support partial tile raster for
   // software raster into GpuMemoryBuffers.
   gfx::BufferUsage usage = gfx::BufferUsage::PERSISTENT_MAP;
   settings.use_persistent_map_for_gpu_memory_buffers = true;
 
   for (size_t format = 0;
@@ skipping 316 matching lines @@
                     observer_list_,
                     OnCompositingLockStateChanged(this));
 }
 
 void Compositor::CancelCompositorLock() {
   if (compositor_lock_)
     compositor_lock_->CancelLock();
 }
 
 }  // namespace ui