Browser Plugin: Implement Back, Forward, and Go.

content/browser/browser_plugin/browser_plugin_guest.cc

 // 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.
 
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 
 #include <algorithm>
 
 #include "content/browser/browser_plugin/browser_plugin_guest_helper.h"
 #include "content/browser/browser_plugin/browser_plugin_host_factory.h"
@@ skipping 49 matching lines @@
   }
   return new BrowserPluginGuest(instance_id, web_contents, render_view_host);
 }
 
 bool BrowserPluginGuest::ViewTakeFocus(bool reverse) {
   SendMessageToEmbedder(
       new BrowserPluginMsg_AdvanceFocus(instance_id(), reverse));
   return true;
 }
 
+void BrowserPluginGuest::Back() {
+  web_contents()->GetController().GoBack();
+}
+
+void BrowserPluginGuest::Forward() {
+  web_contents()->GetController().GoForward();
+}
+
+void BrowserPluginGuest::Go(int relative_index) {
+  web_contents()->GetController().GoToOffset(relative_index);
+}
+
 void BrowserPluginGuest::RendererUnresponsive(WebContents* source) {
   base::ProcessHandle process_handle =
       web_contents()->GetRenderProcessHost()->GetHandle();
   base::KillProcess(process_handle, RESULT_CODE_HUNG, false);
 }
 
 void BrowserPluginGuest::SetDamageBuffer(
     TransportDIB* damage_buffer,
 #if defined(OS_WIN)
     int damage_buffer_size,
@@ skipping 191 matching lines @@
     pending_updates_.Remove(iter.GetCurrentKey());
     iter.Advance();
   }
 }
 
 void BrowserPluginGuest::SendMessageToEmbedder(IPC::Message* msg) {
   embedder_render_process_host()->Send(msg);
 }
 
 }  // namespace content