Adds support for hittesting points on surface quads

content/browser/renderer_host/render_widget_host_view_aura.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_view_aura.h"
 
 #include <set>
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
@@ skipping 2131 matching lines @@
   if (!is_fullscreen_ && window_->parent() && window_->parent()->delegate() &&
       !(event->flags() & ui::EF_FROM_TOUCH)) {
     event->ConvertLocationToTarget(window_, window_->parent());
     window_->parent()->delegate()->OnMouseEvent(event);
   }
 
   if (!IsXButtonUpEvent(event))
     event->SetHandled();
 }
 
+uint32_t RenderWidgetHostViewAura::SurfaceIdNamespaceAtPoint(
+    const gfx::Point& point) {
+  return cc::SurfaceIdAllocator::NamespaceForId(
+      delegated_frame_host_->SurfaceIdAtPoint(point));
+}
+
 void RenderWidgetHostViewAura::OnScrollEvent(ui::ScrollEvent* event) {
   TRACE_EVENT0("input", "RenderWidgetHostViewAura::OnScrollEvent");
 
   if (event->type() == ui::ET_SCROLL) {
 #if !defined(OS_WIN)
     // TODO(ananta)
     // Investigate if this is true for Windows 8 Metro ASH as well.
     if (event->finger_count() != 2)
       return;
 #endif
@@ skipping 675 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewBase, public:
 
 // static
 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content