Quick hack to make popup shrinkage work again

chrome/renderer/render_view.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_RENDERER_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 705 matching lines @@
   // request and passed back to the DidDownloadImage method. If the image has
   // multiple frames, the frame whose size is image_size is returned. If the
   // image doesn't have a frame at the specified size, the first is returned.
   bool DownloadImage(int id, const GURL& image_url, int image_size);
 
   // This callback is triggered when DownloadImage completes, either
   // succesfully or with a failure. See DownloadImage for more details.
   void DidDownloadImage(webkit_glue::ImageResourceFetcher* fetcher,
                         const SkBitmap& image);
 
+  // Check whether the preferred size has changed. This is called periodically
+  // by preferred_size_change_timer_.
+  void CheckPreferredSize();
+
   enum ErrorPageType {
     DNS_ERROR,
     HTTP_404,
     CONNECTION_ERROR,
   };
 
   // Alternate error page helpers.
   GURL GetAlternateErrorPageURL(
       const GURL& failed_url, ErrorPageType error_type);
   bool MaybeLoadAlternateErrorPage(
@@ skipping 214 matching lines @@
   // it's for the selection clipboard.
   std::string selection_text_;
 
   // Cache the preferred size of the page in order to prevent sending the IPC
   // when layout() recomputes but doesn't actually change sizes.
   gfx::Size preferred_size_;
 
   // If true, we send IPC messages when |preferred_size_| changes.
   bool send_preferred_size_changes_;
 
+  // Nasty hack. WebKit does not send us events when the preferred size changes,
+  // so we must poll it. See also:
+  // https://bugs.webkit.org/show_bug.cgi?id=32807.
+  base::RepeatingTimer<RenderView> preferred_size_change_timer_;
+
   // The text selection the last time DidChangeSelection got called.
   std::string last_selection_;
 
   // Hopds a reference to the service which provides desktop notifications.
   scoped_ptr<NotificationProvider> notification_provider_;
 
   // Holds state pertaining to a navigation that we initiated.  This is held by
   // the WebDataSource::ExtraData attribute.  We use pending_navigation_state_
   // as a temporary holder for the state until the WebDataSource corresponding
   // to the new navigation is created.  See DidCreateDataSource.
@@ skipping 47 matching lines @@
   int64 session_storage_namespace_id_;
 
   // Page translation related objects.
   TextTranslatorImpl text_translator_;
   scoped_ptr<PageTranslator> page_translator_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_