Remove grow box rect support, renderer part.

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index cd19c896725f746ec54213e16114989f3cda679f..f0d353eee250a98187db38d9379e909d01df8a5f 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -2941,11 +2941,6 @@ void WebViewImpl::didLosePointerLock() {
     page()->pointerLockController().didLosePointerLock();
 }
 
-void WebViewImpl::didChangeWindowResizerRect() {
-  if (mainFrameImpl()->frameView())
-    mainFrameImpl()->frameView()->windowResizerRectChanged();
-}
-
 // TODO(ekaramad):This method is almost duplicated in WebFrameWidgetImpl as
 // well. This code needs to be refactored  (http://crbug.com/629721).
 bool WebViewImpl::getCompositionCharacterBounds(WebVector<WebRect>& bounds) {