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

webkit/glue/webframe.h

 // 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.
 
 #ifndef WEBKIT_GLUE_WEBFRAME_H_
 #define WEBKIT_GLUE_WEBFRAME_H_
 
 #include "base/scoped_ptr.h"
 #include "googleurl/src/gurl.h"
 #include "skia/ext/bitmap_platform_device.h"
@@ skipping 122 matching lines @@
 
   // Returns the URL to the favorite icon for the frame. An empty GURL is
   // returned if the frame has not finished loading, or the frame's URL
   // protocol is not http or https.
   virtual GURL GetFavIconURL() const = 0;
 
   // Returns the URL to the OpenSearch description document for the frame. If
   // the page does not have a valid document, an empty GURL is returned.
   virtual GURL GetOSDDURL() const = 0;
 
+  // Return the minPrefWidth of the content contained in the current Document
+  virtual int GetContentsPreferredWidth() const = 0;
+
   // Return the list of feeds specified in the document for the frame. If
   // the page does not have a valid document, an empty list is returned.
   virtual scoped_refptr<class FeedList> GetFeedList() const = 0;
 
   // Returns the committed data source, which is the last data source that has
   // successfully started loading. Will return NULL if no provisional data
   // has been committed.
   virtual WebDataSource* GetDataSource() const = 0;
 
   // Returns the provisional data source, which is a data source where a
@@ skipping 227 matching lines @@
   virtual int PendingFrameUnloadEventCount() const = 0;
 
  protected:
   virtual ~WebFrame() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebFrame);
 };
 
 #endif  // WEBKIT_GLUE_WEBFRAME_H_