MacViews: Clear mouse handler when showing context menus.

chrome/browser/ui/views/toolbar/toolbar_button.cc

Index: chrome/browser/ui/views/toolbar/toolbar_button.cc
diff --git a/chrome/browser/ui/views/toolbar/toolbar_button.cc b/chrome/browser/ui/views/toolbar/toolbar_button.cc
index 5e057984705adfe5e2713cf3527071ee81b38ba0..adc3d9397841187de56e4ccceeb2a67bbb61c6b5 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_button.cc
+++ b/chrome/browser/ui/views/toolbar/toolbar_button.cc
@@ -233,11 +233,6 @@ void ToolbarButton::OnMenuClosed() {
 
   menu_showing_ = false;
 
-  // Need to explicitly clear mouse handler so that events get sent
-  // properly after the menu finishes running. If we don't do this, then
-  // the first click to other parts of the UI is eaten.
-  SetMouseHandler(nullptr);
-
   // Set the state back to normal after the drop down menu is closed.
   if (state() != STATE_DISABLED)
     SetState(STATE_NORMAL);