Remove unused ResizeCorner code from BrowserView

chrome/browser/ui/views/frame/browser_view.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_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 539 matching lines @@
 
   // Initialize the hung plugin detector.
   void InitHangMonitor();
 
   // Possibly records a user metrics action corresponding to the passed-in
   // accelerator.  Only implemented for Chrome OS, where we're interested in
   // learning about how frequently the top-row keys are used.
   void UpdateAcceleratorMetrics(const ui::Accelerator& accelerator,
                                 int command_id);
 
-  // Exposes resize corner size to BrowserViewLayout.
-  gfx::Size GetResizeCornerSize() const;
-
   // Create an icon for this window in the launcher (currently only for Ash).
   void CreateLauncherIcon();
 
   // Calls |method| which is either RenderWidgetHost::Cut, ::Copy, or ::Paste,
   // first trying the content WebContents, then the devtools WebContents, and
   // lastly the Views::Textfield if one is focused.
   // |windows_msg_id| is temporary until Win Aura is the default on Windows,
   // since until then the omnibox doesn't use Views::Textfield.
   void DoCutCopyPaste(void (content::RenderWidgetHost::*method)(),
 #if defined(OS_WIN)
@@ skipping 173 matching lines @@
   gfx::ScopedSysColorChangeListener color_change_listener_;
 
   scoped_ptr<InstantOverlayControllerViews> overlay_controller_;
 
   mutable base::WeakPtrFactory<BrowserView> activate_modal_dialog_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_