Add EventForwarder for routing touch events

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index dc3c6e7052ce25046361bde0d570bc6141b02f41..9170fc72d1e0f6844f0dbebf78b8eb616bf17546 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -34,8 +34,8 @@
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/android/delegated_frame_host_android.h"
 #include "ui/android/view_android.h"
+#include "ui/android/view_client.h"
 #include "ui/android/window_android_observer.h"
-#include "ui/events/android/motion_event_android.h"
 #include "ui/events/gesture_detection/filtered_gesture_provider.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/geometry/vector2d_f.h"
@@ -63,6 +63,7 @@ struct NativeWebKeyboardEvent;
 class CONTENT_EXPORT RenderWidgetHostViewAndroid
     : public RenderWidgetHostViewBase,
       public ui::GestureProviderClient,
+      public ui::ViewClient,
       public ui::WindowAndroidObserver,
       public DelegatedFrameEvictorClient,
       public StylusTextSelectorClient,
@@ -149,6 +150,12 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   void OnDidNavigateMainFrameToNewPage() override;
   void SetNeedsBeginFrames(bool needs_begin_frames) override;
 
+  // ui::ViewClient implementation.
+  bool OnTouchEvent(const ui::MotionEventAndroid& event,
+                    bool is_touch_handle_event) override;
+  bool OnMouseEvent(const ui::MotionEventAndroid& event,
+                    int changed_button) override;
+
   // ui::GestureProviderClient implementation.
   void OnGestureEvent(const ui::GestureEventData& gesture) override;