Browser Plugin: Fixed browser process crash on embedder reload.

content/browser/browser_plugin/browser_plugin_embedder_helper.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_embedder_helper.h"
 
 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/common/browser_plugin_messages.h"
 #include "content/common/view_messages.h"
@@ skipping 15 matching lines @@
 }
 
 bool BrowserPluginEmbedderHelper::Send(IPC::Message* message) {
   return RenderViewHostObserver::Send(message);
 }
 
 bool BrowserPluginEmbedderHelper::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(BrowserPluginEmbedderHelper, message)
+    IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_CreateGuest,
+                        OnCreateGuest);
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_NavigateGuest,
                         OnNavigateGuest);
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_ResizeGuest, OnResizeGuest)
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_UpdateRect_ACK, OnUpdateRectACK);
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_SetFocus, OnSetFocus);
     IPC_MESSAGE_HANDLER_GENERIC(BrowserPluginHostMsg_HandleInputEvent,
         OnHandleInputEvent(*static_cast<const IPC::SyncMessage*>(&message),
                            &handled))
     IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_PluginDestroyed,
                         OnPluginDestroyed);
@@ skipping 44 matching lines @@
 
   IPC::Message* reply_message =
       IPC::SyncMessage::GenerateReply(&message);
   embedder_->HandleInputEvent(instance_id,
                               rvh,
                               guest_screen_rect,
                               *input_event,
                               reply_message);
 }
 
+void BrowserPluginEmbedderHelper::OnCreateGuest(
+    int instance_id,
+    const std::string& storage_partition_id,
+    bool persist_storage) {
+  // The first BrowserPluginHostMsg_CreateGuest message is handled in
+  // WebContentsImpl. All subsequent BrowserPluginHostMsg_CreateGuest
+  // messages are handled here.
+  embedder_->CreateGuest(render_view_host(),
+                         instance_id,
+                         storage_partition_id,
+                         persist_storage);
+}
+
 void BrowserPluginEmbedderHelper::OnNavigateGuest(
     int instance_id,
     const std::string& src,
     const BrowserPluginHostMsg_ResizeGuest_Params& resize_params) {
   embedder_->NavigateGuest(render_view_host(),
                            instance_id,
                            src,
                            resize_params);
 }
 
@@ skipping 17 matching lines @@
 
 void BrowserPluginEmbedderHelper::OnStop(int instance_id) {
   embedder_->Stop(instance_id);
 }
 
 void BrowserPluginEmbedderHelper::OnReload(int instance_id) {
   embedder_->Reload(instance_id);
 }
 
 }  // namespace content