Make RenderFrame(Host) own a RenderWidget(Host).

content/renderer/render_frame_impl.cc

 // 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 742 matching lines @@
   while ((observer = it.GetNext()) != NULL) {
     if (observer->OnMessageReceived(msg))
       return true;
   }
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderFrameImpl, msg)
     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
     IPC_MESSAGE_HANDLER(FrameMsg_BeforeUnload, OnBeforeUnload)
     IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
+    IPC_MESSAGE_HANDLER(FrameMsg_NewWidgetForFrame, OnNewWidgetForFrame)
     IPC_MESSAGE_HANDLER(FrameMsg_Stop, OnStop)
     IPC_MESSAGE_HANDLER(FrameMsg_ContextMenuClosed, OnContextMenuClosed)
     IPC_MESSAGE_HANDLER(FrameMsg_CustomContextMenuAction,
                         OnCustomContextMenuAction)
     IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
     IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
     IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
     IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
     IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste)
     IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
@@ skipping 330 matching lines @@
     } else {
       set_render_frame_proxy(proxy);
     }
   }
 
   // Safe to exit if no one else is using the process.
   if (is_main_frame)
     render_view_->WasSwappedOut();
 }
 
+void RenderFrameImpl::OnNewWidgetForFrame(int routing_id_for_widget,
+                                          bool hidden) {
+  render_widget_ = RenderWidget::CreateForFrame(
+      routing_id_for_widget,
+      hidden,
+      render_view_->screen_info());
+}
+
 void RenderFrameImpl::OnContextMenuClosed(
     const CustomContextMenuContext& custom_context) {
   if (custom_context.request_id) {
     // External request, should be in our map.
     ContextMenuClient* client =
         pending_context_menus_.Lookup(custom_context.request_id);
     if (client) {
       client->OnMenuClosed(custom_context.request_id);
       pending_context_menus_.Remove(custom_context.request_id);
     }
@@ skipping 2791 matching lines @@
 
 #if defined(ENABLE_BROWSER_CDMS)
 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
   if (!cdm_manager_)
     cdm_manager_ = new RendererCdmManager(this);
   return cdm_manager_;
 }
 #endif  // defined(ENABLE_BROWSER_CDMS)
 
 }  // namespace content