Remove grow box rect support, renderer part.

third_party/WebKit/public/web/WebWidgetClient.h

Index: third_party/WebKit/public/web/WebWidgetClient.h
diff --git a/third_party/WebKit/public/web/WebWidgetClient.h b/third_party/WebKit/public/web/WebWidgetClient.h
index d7e490b1a8ff089d50b2727ee56ffa47f3f3be46..64a19e24d5c00a0df30aa3c1b55174ba7b978e83 100644
--- a/third_party/WebKit/public/web/WebWidgetClient.h
+++ b/third_party/WebKit/public/web/WebWidgetClient.h
@@ -102,9 +102,6 @@ class WebWidgetClient {
   // Called when a tooltip should be shown at the current cursor position.
   virtual void setToolTipText(const WebString&, WebTextDirection hint) {}
 
-  // Called to get the position of the resizer rect in window coordinates.
-  virtual WebRect windowResizerRect() { return WebRect(); }
-
   // Called to query information about the screen where this widget is
   // displayed.
   virtual WebScreenInfo screenInfo() { return WebScreenInfo(); }