Introduce ViewRoot forwarding input/view events to native

ui/android/display_android_manager.h

Index: ui/android/display_android_manager.h
diff --git a/ui/android/display_android_manager.h b/ui/android/display_android_manager.h
index 9eae6fac7383d25f316096e608828bd690412835..b7b07c4a23ff360d72d929f4e18e235c199c1e4d 100644
--- a/ui/android/display_android_manager.h
+++ b/ui/android/display_android_manager.h
@@ -17,6 +17,9 @@ class DisplayAndroidManager : public display::ScreenBase {
  public:
   ~DisplayAndroidManager() override;
 
+  display::Display GetDisplayNearestWindowAndroid(

[boliu, 2017/01/04 18:58:06]

add a comment that this is here because NativeWindow is not a NativeView on
android

[Jinsuk Kim, 2017/01/05 11:03:12]

Done.

+      gfx::NativeWindow window) const;
+
   // Screen interface.
 
   display::Display GetDisplayNearestWindow(gfx::NativeView view) const override;