Change grow box computation back to a method on BrowserWindow

content/browser/tab_contents/tab_contents.cc

Index: content/browser/tab_contents/tab_contents.cc
diff --git a/content/browser/tab_contents/tab_contents.cc b/content/browser/tab_contents/tab_contents.cc
index be56eb20772c2adcd47a7a92eaf718007307f2ec..a6e646e3efe04029d2978561ee8c5147d959264c 100644
--- a/content/browser/tab_contents/tab_contents.cc
+++ b/content/browser/tab_contents/tab_contents.cc
@@ -1640,6 +1640,12 @@ content::ViewType TabContents::GetRenderViewType() const {
   return view_type_;
 }
 
+gfx::Rect TabContents::GetRootWindowResizerRect() const {
+  if (delegate_)
+    return delegate_->GetRootWindowResizerRect();
+  return gfx::Rect();
+}
+
 void TabContents::RenderViewCreated(RenderViewHost* render_view_host) {
   content::NotificationService::current()->Notify(
       content::NOTIFICATION_RENDER_VIEW_HOST_CREATED_FOR_TAB,