Disable low res tilings on desktop.

content/renderer/render_thread_impl.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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 496 matching lines @@
       command_line.HasSwitch(switches::kForceGpuRasterization);
 
   if (command_line.HasSwitch(switches::kDisableDistanceFieldText)) {
     is_distance_field_text_enabled_ = false;
   } else if (command_line.HasSwitch(switches::kEnableDistanceFieldText)) {
     is_distance_field_text_enabled_ = true;
   } else {
     is_distance_field_text_enabled_ = false;
   }
 
-  is_low_res_tiling_enabled_ = true;
-  if (command_line.HasSwitch(switches::kDisableLowResTiling) &&
-      !command_line.HasSwitch(switches::kEnableLowResTiling)) {
-    is_low_res_tiling_enabled_ = false;
-  }
-
   // Note that under Linux, the media library will normally already have
   // been initialized by the Zygote before this instance became a Renderer.
   base::FilePath media_path;
   PathService::Get(DIR_MEDIA_LIBS, &media_path);
   if (!media_path.empty())
     media::InitializeMediaLibrary(media_path);
 
   memory_pressure_listener_.reset(new base::MemoryPressureListener(
       base::Bind(&RenderThreadImpl::OnMemoryPressure, base::Unretained(this))));
 
@@ skipping 1120 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content