touch: Fix ctrl+taps for buttons on bookmark bar and toolbar.

ui/views/controls/button/button.cc

 // Copyright (c) 2011 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 "ui/views/controls/button/button.h"
 
 #include "base/utf_string_conversions.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 
 namespace views {
@@ skipping 32 matching lines @@
   state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
   state->name = accessible_name_;
   state->keyboard_shortcut = accessible_shortcut_;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Button, protected:
 
 Button::Button(ButtonListener* listener)
     : listener_(listener),
-      tag_(-1),
-      mouse_event_flags_(0) {
+      tag_(-1) {
   set_accessibility_focusable(true);
 }
 
 void Button::NotifyClick(const ui::Event& event) {
-  mouse_event_flags_ = event.IsMouseEvent() ? event.flags() : 0;
   // We can be called when there is no listener, in cases like double clicks on
   // menu buttons etc.
   if (listener_)
     listener_->ButtonPressed(this, event);
-  // NOTE: don't attempt to reset mouse_event_flags_ as the listener may have
-  // deleted us.
 }
 
 }  // namespace views