Add --disable-low-res-tiling. Disable low res tiling to save power.

content/renderer/gpu/render_widget_compositor.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 "content/renderer/gpu/render_widget_compositor.h"
 
 #include <limits>
 #include <string>
 
 #if defined(OS_ANDROID)
@@ skipping 123 matching lines @@
                                            max_untiled_layer_height);
 
   settings.impl_side_painting =
       RenderThreadImpl::current()->is_impl_side_painting_enabled();
   if (RenderThreadImpl::current()->is_gpu_rasterization_forced())
     settings.rasterization_site = cc::LayerTreeSettings::GpuRasterization;
   else if (RenderThreadImpl::current()->is_gpu_rasterization_enabled())
     settings.rasterization_site = cc::LayerTreeSettings::HybridRasterization;
   else
     settings.rasterization_site = cc::LayerTreeSettings::CpuRasterization;
+  settings.create_low_res_tiling =
+      RenderThreadImpl::current()->is_low_res_tiling_enabled();
 
   settings.calculate_top_controls_position =
       cmd->HasSwitch(cc::switches::kEnableTopControlsPositionCalculation);
   if (cmd->HasSwitch(cc::switches::kTopControlsHeight)) {
     std::string controls_height_str =
         cmd->GetSwitchValueASCII(cc::switches::kTopControlsHeight);
     double controls_height;
     if (base::StringToDouble(controls_height_str, &controls_height) &&
         controls_height > 0)
       settings.top_controls_height = controls_height;
@@ skipping 489 matching lines @@
   widget_->OnSwapBuffersAborted();
 }
 
 void RenderWidgetCompositor::RateLimitSharedMainThreadContext() {
   cc::ContextProvider* provider =
       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
   provider->ContextGL()->RateLimitOffscreenContextCHROMIUM();
 }
 
 }  // namespace content