Send port-closed notification when a frame with ports unloads....

webkit/glue/webframe.h

 // Copyright (c) 2006-2009 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 WEBKIT_GLUE_WEBFRAME_H_
 #define WEBKIT_GLUE_WEBFRAME_H_
 
 #include <vector>
 
 #include "base/scoped_ptr.h"
@@ skipping 173 matching lines @@
   // opener.
   virtual WebFrame* GetOpener() const = 0;
 
   // Returns the frame containing this frame, or NULL of this is a top level
   // frame with no parent.
   virtual WebFrame* GetParent() const = 0;
 
   // Returns the top-most frame in the frame hierarchy containing this frame.
   virtual WebFrame* GetTop() const = 0;
 
+  // Returns the first child frame of this frame, or NULL if it has no children.
+  virtual WebFrame* GetFirstChild() const = 0;
+
+  // Returns the next sibling frame of this frame, or NULL if there are no more
+  // siblings.
+  virtual WebFrame* GetNextSibling() const = 0;
+
   // Returns the child frame with the given xpath.
   // The document of this frame is used as the context node.
   // The xpath may need a recursive traversal if non-trivial
   // A non-trivial xpath will contain a combination of xpaths
   // (delimited by '\n') leading to an inner subframe.
   //
   // Example: /html/body/iframe/\n/html/body/div/iframe/\n/frameset/frame[0]
   // can be broken into 3 xpaths
   // /html/body/iframe evaluates to an iframe within the root frame
   // /html/body/div/iframe evaluates to an iframe within the level-1 iframe
@@ skipping 220 matching lines @@
   virtual int PendingFrameUnloadEventCount() const = 0;
 
  protected:
   virtual ~WebFrame() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebFrame);
 };
 
 #endif  // WEBKIT_GLUE_WEBFRAME_H_