Implement Android accessible hit testing using an IPC to the renderer process.

content/browser/renderer_host/render_widget_host_impl.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 2020 matching lines @@
 
 gfx::Rect RenderWidgetHostImpl::AccessibilityGetViewBounds() const {
   return view_->GetViewBounds();
 }
 
 gfx::Point RenderWidgetHostImpl::AccessibilityOriginInScreen(
     const gfx::Rect& bounds) const {
   return view_->AccessibilityOriginInScreen(bounds);
 }
 
+void RenderWidgetHostImpl::AccessibilityHitTest(const gfx::Point& point) {
+  Send(new AccessibilityMsg_HitTest(GetRoutingID(), point));

[jam, 2014/05/20 04:31:14]

nit: routing_id_ (I know there are examples of the method, but we should change
them)

+}
+
 void RenderWidgetHostImpl::AccessibilityFatalError() {
   Send(new AccessibilityMsg_FatalError(GetRoutingID()));
   view_->SetBrowserAccessibilityManager(NULL);
 }
 
 #if defined(OS_WIN)
 void RenderWidgetHostImpl::SetParentNativeViewAccessible(
     gfx::NativeViewAccessible accessible_parent) {
   if (view_)
     view_->SetParentNativeViewAccessible(accessible_parent);
@@ skipping 285 matching lines @@
   }
 }
 
 SkBitmap::Config RenderWidgetHostImpl::PreferredReadbackFormat() {
   if (view_)
     return view_->PreferredReadbackFormat();
   return SkBitmap::kARGB_8888_Config;
 }
 
 }  // namespace content