Enable browser process hit testing on Android

content/browser/renderer_host/render_widget_host_view_android.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 117 matching lines @@
       BrowserAccessibilityDelegate* delegate, bool for_root_frame) override;
   bool LockMouse() override;
   void UnlockMouse() override;
   void OnSwapCompositorFrame(uint32_t compositor_frame_sink_id,
                              cc::CompositorFrame frame) override;
   void ClearCompositorFrame() override;
   void SetIsInVR(bool is_in_vr) override;
   bool IsInVR() const override;
   void DidOverscroll(const ui::DidOverscrollParams& params) override;
   void DidStopFlinging() override;
-  cc::FrameSinkId GetFrameSinkId() override;
   void ShowDisambiguationPopup(const gfx::Rect& rect_pixels,
                                const SkBitmap& zoomed_bitmap) override;
   std::unique_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget()
       override;
   void OnDidNavigateMainFrameToNewPage() override;
   void SetNeedsBeginFrames(bool needs_begin_frames) override;
+  cc::FrameSinkId GetFrameSinkId() override;
+  cc::FrameSinkId FrameSinkIdAtPoint(cc::SurfaceHittestDelegate* delegate,
+                                     const gfx::Point& point,
+                                     gfx::Point* transformed_point) override;
+  void ProcessMouseEvent(const blink::WebMouseEvent& event,
+                         const ui::LatencyInfo& latency) override;
+  void ProcessMouseWheelEvent(const blink::WebMouseWheelEvent& event,
+                              const ui::LatencyInfo& latency) override;
+  void ProcessTouchEvent(const blink::WebTouchEvent& event,
+                         const ui::LatencyInfo& latency) override;
+  void ProcessGestureEvent(const blink::WebGestureEvent& event,
+                           const ui::LatencyInfo& latency) override;
+  bool TransformPointToLocalCoordSpace(const gfx::Point& point,
+                                       const cc::SurfaceId& original_surface,
+                                       gfx::Point* transformed_point) override;
+  bool TransformPointToCoordSpaceForView(
+      const gfx::Point& point,
+      RenderWidgetHostViewBase* target_view,
+      gfx::Point* transformed_point) override;
 
   // ui::GestureProviderClient implementation.
   void OnGestureEvent(const ui::GestureEventData& gesture) override;
 
   // ui::WindowAndroidObserver implementation.
   void OnCompositingDidCommit() override {}
   void OnRootWindowVisibilityChanged(bool visible) override;
   void OnAttachCompositor() override;
   void OnDetachCompositor() override;
   void OnAnimate(base::TimeTicks begin_frame_time) override;
@@ skipping 85 matching lines @@
   void OnImeCompositionRangeChanged(
       TextInputManager* text_input_manager,
       RenderWidgetHostViewBase* updated_view) override;
   void OnImeCancelComposition(TextInputManager* text_input_manager,
                               RenderWidgetHostViewBase* updated_view) override;
   void OnTextSelectionChanged(TextInputManager* text_input_manager,
                               RenderWidgetHostViewBase* updated_view) override;
 
   ImeAdapterAndroid* ime_adapter_for_testing() { return &ime_adapter_android_; }
 
+  // Exposed for tests.
+  cc::SurfaceId SurfaceIdForTesting() const override;
+
  private:
   void RunAckCallbacks();
 
   void CheckCompositorFrameSinkChanged(uint32_t compositor_frame_sink_id);
   void SubmitCompositorFrame(cc::CompositorFrame frame_data);
   void SendReclaimCompositorResources(uint32_t compositor_frame_sink_id,
                                       bool is_swap_ack);
 
   void OnFrameMetadataUpdated(const cc::CompositorFrameMetadata& frame_metadata,
                               bool is_transparent);
@@ skipping 117 matching lines @@
   float prev_bottom_shown_pix_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_