Android WebView Merged-Thread Hardware Draw

content/public/renderer/android/synchronous_compositor.h

Index: content/public/renderer/android/synchronous_compositor.h
diff --git a/content/public/renderer/android/synchronous_compositor.h b/content/public/renderer/android/synchronous_compositor.h
index f0c380d07af84e97862475125f3e04ff666f21ed..e5e76f5b9a91de1b803ed3b3284de499ac954021 100644
--- a/content/public/renderer/android/synchronous_compositor.h
+++ b/content/public/renderer/android/synchronous_compositor.h
@@ -5,6 +5,8 @@
 #ifndef CONTENT_PUBLIC_RENDERER_ANDROID_SYNCHRONOUS_COMPOSTIOR_
 #define CONTENT_PUBLIC_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_
 
+#include "ui/gfx/rect.h"
+
 class SkCanvas;
 
 namespace content {
@@ -26,6 +28,9 @@ class SynchronousCompositor {
   // and clip set there-in).
   virtual bool DemandDrawSw(SkCanvas* canvas) = 0;
 
+  // "On demand" hardware draw.
+  virtual bool DemandDrawHw(gfx::Rect damage_rect) = 0;
+
  protected:
   virtual ~SynchronousCompositor() {}
 };