Disambiguate OnMouseCaptureLost from OnMouseReleased, etc.

views/controls/button/checkbox.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 "views/controls/button/checkbox.h"
 
 #include "base/logging.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/gfx/canvas.h"
 #include "views/controls/label.h"
@@ skipping 113 matching lines @@
 
 bool Checkbox::OnMousePressed(const MouseEvent& event) {
   native_wrapper_->SetPushed(HitTestLabel(event));
   return true;
 }
 
 bool Checkbox::OnMouseDragged(const MouseEvent& event) {
   return false;
 }
 
-void Checkbox::OnMouseReleased(const MouseEvent& event, bool canceled) {
-  native_wrapper_->SetPushed(false);
-  if (!canceled && HitTestLabel(event)) {
+void Checkbox::OnMouseReleased(const MouseEvent& event) {
+  OnMouseCaptureLost();
+  if (HitTestLabel(event)) {
     SetChecked(!checked());
     ButtonPressed();
   }
 }
 
+void Checkbox::OnMouseCaptureLost() {
+  native_wrapper_->SetPushed(false);
+}
+
 void Checkbox::OnMouseMoved(const MouseEvent& event) {
   native_wrapper_->SetPushed(HitTestLabel(event));
 }
 
 void Checkbox::OnMouseEntered(const MouseEvent& event) {
   native_wrapper_->SetPushed(HitTestLabel(event));
 }
 
 void Checkbox::OnMouseExited(const MouseEvent& event) {
   native_wrapper_->SetPushed(false);
@@ skipping 59 matching lines @@
 void Checkbox::Init(const std::wstring& label_text) {
   // Checkboxs don't need to enforce a minimum size.
   set_ignore_minimum_size(true);
   label_ = new Label(label_text);
   label_->SetHasFocusBorder(true);
   label_->SetHorizontalAlignment(Label::ALIGN_LEFT);
   AddChildView(label_);
 }
 
 }  // namespace views