Aura: Support --enable-partial-swap with --composite-to-mailbox

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index d87eeb29ab890a8f415cae2c6ac9ae1680145935..d9b71c079a21b91e87e34186786ff9b79860e9e4 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -458,9 +458,10 @@ class RenderWidgetHostViewAura
   typedef base::Callback<void(bool, const scoped_refptr<ui::Texture>&)>
       BufferPresentedCallback;
 
-  // The common entry point for full buffer updates from renderer
+  // The common entry point for buffer updates from renderer
   // and GPU process.
-  void BuffersSwapped(const gfx::Size& size,
+  void BuffersSwapped(const gfx::Size& surface_size,
+                      const gfx::Rect& damage_rect,
                       float surface_scale_factor,
                       const std::string& mailbox_name,
                       const ui::LatencyInfo& latency_info,