Handle pointer-events: none in browser process hittesting.

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 634bd66c6d2fd48f2a88d8e5d1294688d8e40023..04d491a837a59bd5dca80c2beeb0f3ce06e9036c 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -2210,6 +2210,7 @@ void RenderWidgetHostViewAura::OnMouseEvent(ui::MouseEvent* event) {
 }
 
 uint32_t RenderWidgetHostViewAura::SurfaceIdNamespaceAtPoint(
+    cc::SurfaceHittestDelegate* delegate,
     const gfx::Point& point,
     gfx::Point* transformed_point) {
   DCHECK(device_scale_factor_ != 0.0f);
@@ -2218,8 +2219,8 @@ uint32_t RenderWidgetHostViewAura::SurfaceIdNamespaceAtPoint(
   // |point| from DIPs to pixels before hittesting.
   gfx::Point point_in_pixels =
       gfx::ConvertPointToPixel(device_scale_factor_, point);
-  cc::SurfaceId id = delegated_frame_host_->SurfaceIdAtPoint(point_in_pixels,
-                                                             transformed_point);
+  cc::SurfaceId id = delegated_frame_host_->SurfaceIdAtPoint(
+      delegate, point_in_pixels, transformed_point);
   *transformed_point =
       gfx::ConvertPointToDIP(device_scale_factor_, *transformed_point);