Introduce RenderFrameVisitor

content/public/renderer/render_frame.h

 // Copyright 2013 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 CONTENT_PUBLIC_RENDERER_RENDER_FRAME_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_FRAME_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 40 matching lines @@
 class Context;
 class Isolate;
 }
 
 namespace content {
 class AssociatedInterfaceProvider;
 class AssociatedInterfaceRegistry;
 class ContextMenuClient;
 class PluginInstanceThrottler;
 class RenderAccessibility;
+class RenderFrameVisitor;
 class RenderView;
 struct ContextMenuParams;
 struct WebPluginInfo;
 struct WebPreferences;
 
 // This interface wraps functionality, which is specific to frames, such as
 // navigation. It provides communication with a corresponding RenderFrameHost
 // in the browser process.
 class CONTENT_EXPORT RenderFrame : public IPC::Listener,
                                    public IPC::Sender {
@@ skipping 20 matching lines @@
     DONT_RECORD_DECISION = 0,
     RECORD_DECISION = 1
   };
 
   // Returns the RenderFrame given a WebFrame.
   static RenderFrame* FromWebFrame(blink::WebFrame* web_frame);
 
   // Returns the RenderFrame given a routing id.
   static RenderFrame* FromRoutingID(int routing_id);
 
+  // Visit all live RenderFrames.
+  static void ForEach(RenderFrameVisitor* visitor);
+
   // Returns the RenderView associated with this frame.
   virtual RenderView* GetRenderView() = 0;
 
   // Return the RenderAccessibility associated with this frame.
   virtual RenderAccessibility* GetRenderAccessibility() = 0;
 
   // Get the routing ID of the frame.
   virtual int GetRoutingID() = 0;
 
   // Returns the associated WebFrame.
@@ skipping 152 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class RenderFrameImpl;
   RenderFrame() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_FRAME_H_