Add a new resizer corner overlay.

chrome/browser/views/frame/browser_view.h

Index: chrome/browser/views/frame/browser_view.h
===================================================================
--- chrome/browser/views/frame/browser_view.h	(revision 9328)
+++ chrome/browser/views/frame/browser_view.h	(working copy)
@@ -172,13 +172,14 @@
   virtual void UpdateLoadingAnimations(bool should_animate);
   virtual void SetStarredState(bool is_starred);
   virtual gfx::Rect GetNormalBounds() const;
-  virtual bool IsMaximized();
+  virtual bool IsMaximized() const;
   virtual LocationBar* GetLocationBar() const;
   virtual void UpdateStopGoState(bool is_loading);
   virtual void UpdateToolbar(TabContents* contents, bool should_restore_state);
   virtual void FocusToolbar();
   virtual void DestroyBrowser();
   virtual bool IsBookmarkBarVisible() const;
+  virtual gfx::Rect GetRootWindowResizerRect() const;
   virtual void ToggleBookmarkBar();
   virtual void ShowAboutChromeDialog();
   virtual void ShowBookmarkManager();
@@ -428,4 +429,4 @@
   DISALLOW_EVIL_CONSTRUCTORS(BrowserView);
 };
 
-#endif  // #ifndef CHROME_BROWSER_VIEWS_FRAME_BROWSER_VIEW_H_
+#endif  // CHROME_BROWSER_VIEWS_FRAME_BROWSER_VIEW_H_