Add Mojo API for Blink hit testing

content/browser/frame_host/render_widget_host_view_child_frame.cc

 // Copyright 2014 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.
 
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 
 #include <algorithm>
 #include <utility>
 #include <vector>
 
@@ skipping 428 matching lines @@
     }
   }
 }
 
 void RenderWidgetHostViewChildFrame::DidReceiveCompositorFrameAck(
     const std::vector<viz::ReturnedResource>& resources) {
   renderer_compositor_frame_sink_->DidReceiveCompositorFrameAck(resources);
 }
 
 void RenderWidgetHostViewChildFrame::DidCreateNewRendererCompositorFrameSink(
-    viz::mojom::CompositorFrameSinkClient* renderer_compositor_frame_sink) {
+    viz::mojom::CompositorFrameSinkClient* renderer_compositor_frame_sink,
+    viz::mojom::TargetFrameForInputDelegate* input_delegate) {
   ResetCompositorFrameSinkSupport();
   renderer_compositor_frame_sink_ = renderer_compositor_frame_sink;
-  CreateCompositorFrameSinkSupport();
+  CreateCompositorFrameSinkSupport(input_delegate);
   has_frame_ = false;
 }
 
 void RenderWidgetHostViewChildFrame::ProcessCompositorFrame(
     const viz::LocalSurfaceId& local_surface_id,
     cc::CompositorFrame frame) {
   current_surface_size_ = frame.render_pass_list.back()->output_rect.size();
   current_surface_scale_factor_ = frame.metadata.device_scale_factor;
 
   bool result =
@@ skipping 365 matching lines @@
 }
 
 bool RenderWidgetHostViewChildFrame::IsChildFrameForTesting() const {
   return true;
 }
 
 viz::SurfaceId RenderWidgetHostViewChildFrame::SurfaceIdForTesting() const {
   return viz::SurfaceId(frame_sink_id_, local_surface_id_);
 }
 
-void RenderWidgetHostViewChildFrame::CreateCompositorFrameSinkSupport() {
+void RenderWidgetHostViewChildFrame::CreateCompositorFrameSinkSupport(
+    viz::mojom::TargetFrameForInputDelegate* input_delegate) {
   if (service_manager::ServiceManagerIsRemote())
     return;
 
   DCHECK(!support_);
   constexpr bool is_root = false;
   constexpr bool handles_frame_sink_id_invalidation = false;
   constexpr bool needs_sync_points = true;
   support_ = GetHostFrameSinkManager()->CreateCompositorFrameSinkSupport(
-      this, frame_sink_id_, is_root, handles_frame_sink_id_invalidation,
-      needs_sync_points);
+      this, input_delegate, frame_sink_id_, is_root,
+      handles_frame_sink_id_invalidation, needs_sync_points);
   if (parent_frame_sink_id_.is_valid()) {
     GetHostFrameSinkManager()->RegisterFrameSinkHierarchy(parent_frame_sink_id_,
                                                           frame_sink_id_);
   }
   if (host_->needs_begin_frames())
     support_->SetNeedsBeginFrame(true);
 }
 
 void RenderWidgetHostViewChildFrame::ResetCompositorFrameSinkSupport() {
   if (!support_)
@@ skipping 39 matching lines @@
     auto origin = GetViewBounds().origin() -
                   frame_connector_->GetRootRenderWidgetHostView()
                       ->GetViewBounds()
                       .origin();
     return gfx::Point(origin.x(), origin.y());
   }
   return gfx::Point();
 }
 
 }  // namespace content