Remove grow box rect support, browser part.

chrome/browser/ui/browser_window.h

Index: chrome/browser/ui/browser_window.h
diff --git a/chrome/browser/ui/browser_window.h b/chrome/browser/ui/browser_window.h
index 4d049be409364ac8a386338387412288bfb172a2..fb3a7dcf53e13706cd227ad9017fea3b71b935f2 100644
--- a/chrome/browser/ui/browser_window.h
+++ b/chrome/browser/ui/browser_window.h
@@ -210,12 +210,6 @@ class BrowserWindow : public ui::BaseWindow {
   // Returns whether the tool bar is visible or not.
   virtual bool IsToolbarVisible() const = 0;
 
-  // Returns the rect where the resize corner should be drawn by the render
-  // widget host view (on top of what the renderer returns). We return an empty
-  // rect to identify that there shouldn't be a resize corner (in the cases
-  // where we take care of it ourselves at the browser level).
-  virtual gfx::Rect GetRootWindowResizerRect() const = 0;
-
   // Shows the Update Recommended dialog box.
   virtual void ShowUpdateChromeDialog() = 0;