Browser Plugin: Implement Back, Forward, and Go.

content/browser/browser_plugin/browser_plugin_embedder.h

 // Copyright (c) 2012 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.
 
 // A BrowserPluginEmbedder has a list of guests it manages.
 // In the beginning when a renderer sees one or more guests (BrowserPlugin
 // instance(s)) and there is a request to navigate to them, the WebContents for
 // that renderer creates a BrowserPluginEmbedder for itself. The
 // BrowserPluginEmbedder, in turn, manages a set of BrowserPluginGuests -- one
 // BrowserPluginGuest for each guest in the embedding WebContents. Note that
@@ skipping 48 matching lines @@
   virtual ~BrowserPluginEmbedder();
 
   static BrowserPluginEmbedder* Create(WebContentsImpl* web_contents,
                                        RenderViewHost* render_view_host);
 
   // Navigates in a guest (new or existing).
   void NavigateGuest(RenderViewHost* render_view_host,
                      int instance_id,
                      const std::string& src,
                      const gfx::Size& size);
+  void Go(int instance_id, int relative_index);
   void Stop(int instance_id);
   void Reload(int instance_id);
 
   // WebContentsObserver implementation.
   virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE;
   virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
 
   // NotificationObserver method override.
   virtual void Observe(int type,
                        const NotificationSource& source,
@@ skipping 54 matching lines @@
   // Contains guests' WebContents, mapping from their instance ids.
   ContainerInstanceMap guest_web_contents_by_instance_id_;
   RenderViewHost* render_view_host_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginEmbedder);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_H_