Browser Plugin: Implement Back, Forward, and Go.

content/renderer/browser_plugin/browser_plugin.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/renderer/browser_plugin/browser_plugin.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #if defined (OS_WIN)
 #include "base/sys_info.h"
@@ skipping 131 matching lines @@
     EventListeners& listeners =
         event_listener_map_[event_listener_map_iter->first];
     EventListeners::iterator it = listeners.begin();
     for (; it != listeners.end(); ++it) {
       it->Dispose();
     }
   }
   event_listener_map_.clear();
 }
 
+void BrowserPlugin::Back() {
+  if (!navigate_src_sent_)
+    return;
+  BrowserPluginManager::Get()->Send(

[lazyboy, 2012/09/20 20:05:42]

Can we reduce this and next messages and use BPHostMsg_Go with +1/-1?

[Fady Samuel, 2012/09/21 15:21:56]

We can, but I don't know if these are identical operations. I'll this question
for Charlie to answer.

+      new BrowserPluginHostMsg_Back(render_view_->GetRoutingID(),
+                                    instance_id_));
+}
+
+void BrowserPlugin::Forward() {
+  if (!navigate_src_sent_)
+    return;
+  BrowserPluginManager::Get()->Send(
+      new BrowserPluginHostMsg_Forward(render_view_->GetRoutingID(),
+                                       instance_id_));
+}
+
+void BrowserPlugin::Go(int relative_index) {
+  if (!navigate_src_sent_)
+    return;
+  BrowserPluginManager::Get()->Send(
+      new BrowserPluginHostMsg_Go(render_view_->GetRoutingID(),
+                                  instance_id_,
+                                  relative_index));
+}
+
 void BrowserPlugin::UpdateRect(
     int message_id,
     const BrowserPluginMsg_UpdateRect_Params& params) {
   if (width() != params.view_size.width() ||
       height() != params.view_size.height()) {
     BrowserPluginManager::Get()->Send(new BrowserPluginHostMsg_UpdateRect_ACK(
         render_view_->GetRoutingID(),
         instance_id_,
         message_id,
         gfx::Size(width(), height())));
@@ skipping 291 matching lines @@
                                                  void* notify_data) {
 }
 
 void BrowserPlugin::didFailLoadingFrameRequest(
     const WebKit::WebURL& url,
     void* notify_data,
     const WebKit::WebURLError& error) {
 }
 
 }  // namespace content