Turn on GPU rasterization when --enable-bleeding-edge-rendering-fast-paths is true.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 21ed9196e16e7719392d59ff823ffc81c694516e..8eeeb9944bb852d4586b9b79f0491bd8120e7cd5 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -127,7 +127,9 @@ scoped_ptr<RenderWidgetCompositor> RenderWidgetCompositor::Create(
                                            max_untiled_layer_height);
 
   settings.impl_side_painting = cc::switches::IsImplSidePaintingEnabled();
-  settings.gpu_rasterization = cc::switches::IsGpuRasterizationEnabled();
+  settings.gpu_rasterization =
+      cc::switches::IsGpuRasterizationEnabled() ||
+      cmd->HasSwitch(switches::kEnableBleedingEdgeRenderingFastPaths);
 
   settings.calculate_top_controls_position =
       cmd->HasSwitch(cc::switches::kEnableTopControlsPositionCalculation);