Remove grow box rect support, browser part.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 99a0ea118764e79676e00a9078bfc6a5bbbb72f1..6e0a94fd7fa738f9143c4512187efca87c3c6807 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1370,14 +1370,6 @@ void WebContentsImpl::WasShown() {
 
   last_active_time_ = base::TimeTicks::Now();
 
-  // The resize rect might have changed while this was inactive -- send the new
-  // one to make sure it's up to date.
-  RenderViewHostImpl* rvh = GetRenderViewHost();
-  if (rvh) {
-    rvh->GetWidget()->ResizeRectChanged(
-        GetRootWindowResizerRect(rvh->GetWidget()));
-  }
-
   FOR_EACH_OBSERVER(WebContentsObserver, observers_, WasShown());
 
   should_normally_be_visible_ = true;
@@ -4223,16 +4215,6 @@ RendererPreferences WebContentsImpl::GetRendererPrefs(
   return renderer_preferences_;
 }
 
-gfx::Rect WebContentsImpl::GetRootWindowResizerRect(
-    RenderWidgetHostImpl* render_widget_host) const {
-  if (!RenderViewHostImpl::From(render_widget_host))
-    return gfx::Rect();
-
-  if (delegate_)
-    return delegate_->GetRootWindowResizerRect();
-  return gfx::Rect();
-}
-
 void WebContentsImpl::RemoveBrowserPluginEmbedder() {
   if (browser_plugin_embedder_)
     browser_plugin_embedder_.reset();