Add GetCaptionButtonHeightInDIPs() method

chrome/browser/ui/views/frame/browser_frame.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 37 matching lines @@
 
   static const gfx::FontList& GetTitleFontList();
 
   // Initialize the frame (creates the underlying native window).
   void InitBrowserFrame();
 
   // Determine the distance of the left edge of the minimize button from the
   // left edge of the window. Used in our Non-Client View's Layout.
   int GetMinimizeButtonOffset() const;
 
+  // Returns the height of the minimize button.
+  int GetMinimizeButtonHeight() const;
+
   // Retrieves the bounds, in non-client view coordinates for the specified
   // TabStrip view.
   gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const;
 
   // Returns the inset of the topmost view in the client view from the top of
   // the non-client view. The topmost view depends on the window type. The
   // topmost view is the tab strip for tabbed browser windows, the toolbar for
   // popups, the web contents for app windows and varies for fullscreen windows.
   // If |restored| is true, this is calculated as if the window was restored,
   // regardless of its current state.
@@ skipping 75 matching lines @@
   // Used to show the system menu. Only used if
   // NativeBrowserFrame::UsesNativeSystemMenu() returns false.
   std::unique_ptr<views::MenuRunner> menu_runner_;
 
   std::unique_ptr<ui::EventHandler> browser_command_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserFrame);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_