Add GetCaptionButtonHeightInDIPs() method

chrome/browser/ui/views/frame/browser_frame_mac.mm

 // Copyright 2014 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.
 
 #import "chrome/browser/ui/views/frame/browser_frame_mac.h"
 
 #include "chrome/browser/global_keyboard_shortcuts_mac.h"
 #include "chrome/browser/ui/browser_command_controller.h"
 #include "chrome/browser/ui/browser_commands.h"
 #import "chrome/browser/ui/cocoa/browser_window_command_handler.h"
@@ skipping 98 matching lines @@
   [ns_window setCommandHandler:[[[BrowserWindowCommandHandler alloc] init]
                                    autorelease]];
   return ns_window.autorelease();
 }
 
 int BrowserFrameMac::GetMinimizeButtonOffset() const {
   NOTIMPLEMENTED();
   return 0;
 }
 
+int BrowserFrameMac::GetMinimizeButtonHeight() const {
+  NOTIMPLEMENTED();
+  return 0;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserFrameMac, NativeBrowserFrame implementation:
 
 views::Widget::InitParams BrowserFrameMac::GetWidgetParams() {
   views::Widget::InitParams params;
   params.native_widget = this;
   return params;
 }
 
 bool BrowserFrameMac::UseCustomFrame() const {
@@ skipping 41 matching lines @@
 }
 
 bool BrowserFrameMac::HandleKeyboardEvent(
     const content::NativeWebKeyboardEvent& event) {
   if (!ShouldHandleKeyboardEvent(event))
     return false;
 
   return HandleExtraKeyboardShortcut(event.os_event, browser_view_->browser(),
                                      command_dispatcher_delegate_);
 }