Add LayerTreeHostSettings for synchronous compositor

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 "base/command_line.h"
 #include "base/logging.h"
@@ skipping 259 matching lines @@
   // TODO(danakj): Move these to the android code.
   settings.can_use_lcd_text = false;
   settings.max_partial_texture_updates = 0;
   settings.use_linear_fade_scrollbar_animator = true;
   settings.solid_color_scrollbars = true;
   settings.solid_color_scrollbar_color = SkColorSetARGB(128, 128, 128, 128);
   settings.solid_color_scrollbar_thickness_dip = 3;
   settings.highp_threshold_min = 2048;
 #endif
 
+  settings.disable_optimizations_for_synchronous_compositor =

[Sami, 2013/05/03 17:02:55]

Forgot to rename this setting?

[boliu, 2013/05/03 17:20:39]

Oh darn! Only compiled cc_unittests to check. Fixed now!

+      widget->EnableSynchronousCompositing();
+
   if (!compositor->initialize(settings))
     return scoped_ptr<RenderWidgetCompositor>();
 
   return compositor.Pass();
 }
 
 RenderWidgetCompositor::RenderWidgetCompositor(RenderWidget* widget)
   : suppress_schedule_composite_(false),
     widget_(widget) {
 }
@@ skipping 268 matching lines @@
   return RenderThreadImpl::current()->OffscreenContextProviderForMainThread();
 }
 
 scoped_refptr<cc::ContextProvider>
 RenderWidgetCompositor::OffscreenContextProviderForCompositorThread() {
   return RenderThreadImpl::current()->
       OffscreenContextProviderForCompositorThread();
 }
 
 }  // namespace content