Callbacks through ChromeClient->RenderView->RenderViewHost for ContentsDidCha...

chrome/renderer/render_view.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/render_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 1926 matching lines @@
   return NULL;
 #endif
 }
 
 void RenderView::OpenURL(WebView* webview, const GURL& url,
                          const GURL& referrer,
                          WindowOpenDisposition disposition) {
   Send(new ViewHostMsg_OpenURL(routing_id_, url, referrer, disposition));
 }
 
+void RenderView::DidContentsSizeChange(WebWidget* webwidget,
+                                       int new_width,
+                                       int new_height) {
+  // TODO(rafaelw): This is a temporary solution. Only the ExtensionView wants
+  // this notification at the moment. It isn't clean to test for ExtensionView
+  // by examining the enabled_bindings. This needs to be generalized as it
+  // becomes clear what extension toolbars need.
+  if (BindingsPolicy::is_extension_enabled(enabled_bindings_)) {
+    int width = webview()->GetMainFrame()->GetContentsPreferredWidth();
+    Send(new ViewHostMsg_DidContentsPreferredWidthChange(routing_id_, width));
+  }
+}
+
 // We are supposed to get a single call to Show for a newly created RenderView
 // that was created via RenderView::CreateWebView.  So, we wait until this
 // point to dispatch the ShowView message.
 //
 // This method provides us with the information about how to display the newly
 // created RenderView (i.e., as a constrained popup or as a new tab).
 //
 void RenderView::Show(WebWidget* webwidget, WindowOpenDisposition disposition) {
   DCHECK(!did_show_) << "received extraneous Show call";
   DCHECK(opener_id_ != MSG_ROUTING_NONE);
@@ skipping 1157 matching lines @@
           "Renderer.Other.StartToFinishDoc", start_to_finish_doc);
       UMA_HISTOGRAM_TIMES(
           "Renderer.Other.FinishDocToFinish", finish_doc_to_finish);
       UMA_HISTOGRAM_TIMES(
           "Renderer.Other.RequestToFinish", request_to_finish);
       UMA_HISTOGRAM_TIMES(
           "Renderer.Other.StartToFinish", start_to_finish);
       break;
   }
 }