Don't send ViewMsg_ContextMenuClosed to the renderer process for submenus.

chrome/browser/ui/cocoa/menu_controller_unittest.mm

Index: chrome/browser/ui/cocoa/menu_controller_unittest.mm
diff --git a/chrome/browser/ui/cocoa/menu_controller_unittest.mm b/chrome/browser/ui/cocoa/menu_controller_unittest.mm
index 928923d95cf80a1fee077f92ebc9dd2fa165ee70..d8385318d3ef92a72c61109ea3101e93465a46e7 100644
--- a/chrome/browser/ui/cocoa/menu_controller_unittest.mm
+++ b/chrome/browser/ui/cocoa/menu_controller_unittest.mm
@@ -40,7 +40,7 @@ class Delegate : public ui::SimpleMenuModel::Delegate {
       ui::Accelerator* accelerator) { return false; }
   virtual void ExecuteCommand(int command_id) { ++execute_count_; }
 
-  virtual void MenuWillShow() {
+  virtual void MenuWillShow(ui::SimpleMenuModel* /*source*/) {
     EXPECT_FALSE(did_show_);
     EXPECT_FALSE(did_close_);
     did_show_ = true;
@@ -53,7 +53,7 @@ class Delegate : public ui::SimpleMenuModel::Delegate {
                             inModes:modes];
   }
 
-  virtual void MenuClosed() {
+  virtual void MenuClosed(ui::SimpleMenuModel* /*source*/) {
     EXPECT_TRUE(did_show_);
     EXPECT_FALSE(did_close_);
     did_close_ = true;