3 files changed, 11 insertions, 0 deletions
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index d5a258b..f059451 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -142,6 +142,8 @@ scoped_ptr<RenderWidgetCompositor> RenderWidgetCompositor::Create(
     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);
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index ccdb4cc..a6e616f 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -445,6 +445,12 @@ void RenderThreadImpl::Init() {
     }
   }
 
+  is_low_res_tiling_enabled_ = !is_gpu_rasterization_enabled_;
+  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;
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index 192cb8a8..88e0c3d 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -212,6 +212,8 @@ class CONTENT_EXPORT RenderThreadImpl : public RenderThread,
     return is_impl_side_painting_enabled_;
   }
 
+  bool is_low_res_tiling_enabled() const { return is_low_res_tiling_enabled_; }
+
   bool is_lcd_text_enabled() const { return is_lcd_text_enabled_; }
 
   bool is_map_image_enabled() const { return is_map_image_enabled_; }
@@ -532,6 +534,7 @@ class CONTENT_EXPORT RenderThreadImpl : public RenderThread,
   bool is_gpu_rasterization_enabled_;
   bool is_gpu_rasterization_forced_;
   bool is_impl_side_painting_enabled_;
+  bool is_low_res_tiling_enabled_;
   bool is_lcd_text_enabled_;
   bool is_map_image_enabled_;