[DRAFT] Create RenderFrameHostManager.

content/renderer/render_frame_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include "base/basictypes.h"
 #include "content/public/renderer/render_frame.h"
 #include "ipc/ipc_message.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebFrameClient.h"
 
 namespace content {
 
 class RenderViewImpl;
 
 class CONTENT_EXPORT RenderFrameImpl
     : public RenderFrame,
       NON_EXPORTED_BASE(public blink::WebFrameClient) {
  public:
   // Creates a new RenderFrame. |render_view| is the RenderView object that this
   // frame belongs to.
+  // Callers *must* call set_web_frame immediately after creation.
+  // TODO(creis): We should structure this so that set_web_frame isn't needed.
   static RenderFrameImpl* Create(RenderViewImpl* render_view, int32 routing_id);
 
+  // Look up the RenderFrameImpl for the given WebFrame.
+  // TODO(creis): I don't think we need this long term.
+  static RenderFrameImpl* FindByWebFrame(blink::WebFrame* web_frame);
+
   // Used by content_layouttest_support to hook into the creation of
   // RenderFrameImpls.
   static void InstallCreateHook(
       RenderFrameImpl* (*create_render_frame_impl)(RenderViewImpl*, int32));
 
   virtual ~RenderFrameImpl();
 
+  void set_web_frame(blink::WebFrame* web_frame) {
+    DCHECK(!frame_);
+    frame_ = web_frame;
+  }
+
+  bool is_swapped_out() const {
+    return is_swapped_out_;
+  }
+
   // IPC::Sender
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // IPC::Listener
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   // blink::WebFrameClient implementation -------------------------------------
   virtual blink::WebPlugin* createPlugin(
       blink::WebFrame* frame,
       const blink::WebPluginParams& params);
@@ skipping 137 matching lines @@
   virtual bool allowWebGL(blink::WebFrame* frame, bool default_value);
   virtual void didLoseWebGLContext(blink::WebFrame* frame,
                                    int arb_robustness_status_code);
 
  protected:
   RenderFrameImpl(RenderViewImpl* render_view, int32 routing_id);
 
  private:
   int GetRoutingID() const;
 
+  // IPC message handlers ------------------------------------------------------
+  //
+  // The documentation for these functions should be in
+  // content/common/*_messages.h for the message that the function is handling.
+
+  void OnSwapOut();
+
+  // TODO(creis): Make sure that WebFrame won't be deleted before we are.
+  // We need a sane way to act on our WebFrame when IPC messages are received.
+  // Currently, we expect set_web_frame to be called shortly after creation.
+  blink::WebFrame* frame_;
+
   RenderViewImpl* render_view_;
   int routing_id_;
   bool is_swapped_out_;
   bool is_detaching_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_