Expose contextual menu state.

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index 0ca290c3addd018adf51c51119633b5b46c355be..2f1096a0fa2e4843d72529bfdada6c94eeafd774 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -235,7 +235,6 @@ RenderWidgetHostViewMac::RenderWidgetHostViewMac(RenderWidgetHost* widget)
       text_input_type_(ui::TEXT_INPUT_TYPE_NONE),
       is_loading_(false),
       is_hidden_(false),
-      is_showing_context_menu_(false),
       weak_factory_(this),
       accelerated_compositing_active_(false),
       needs_gpu_visibility_update_after_repaint_(false),
@@ -695,8 +694,7 @@ void RenderWidgetHostViewMac::SelectionChanged(const string16& text,
 }
 
 void RenderWidgetHostViewMac::ShowingContextMenu(bool showing) {
-  DCHECK_NE(is_showing_context_menu_, showing);
-  is_showing_context_menu_ = showing;
+  RenderWidgetHostView::ShowingContextMenu(showing);
 
   // If the menu was closed, restore the cursor to the saved version initially,
   // as the renderer will not re-send it if there was no change.