Cleanup: Stop creating RenderViewObservers from chrome/ in RenderViewer.

content/renderer/render_view_observer.h

 // Copyright (c) 2011 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_VIEW_OBSERVER_H_
 #define CONTENT_RENDERER_RENDER_VIEW_OBSERVER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "ipc/ipc_channel.h"
 
 class RenderView;
 
 namespace WebKit {
 class WebFrame;
 class WebMouseEvent;
+class WebString;
+class WebTextCheckingCompletion;
 struct WebURLError;
 }
 
 // Base class for objects that want to filter incoming IPCs, and also get
 // notified of changes to the frame.
 class RenderViewObserver : public IPC::Channel::Listener,
                            public IPC::Message::Sender {
  public:
   // By default, observers will be deleted when the RenderView goes away.  If
   // they want to outlive it, they can override this function.
   virtual void OnDestruct();
 
   // These match the WebKit API notifications.
   virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame) {}
   virtual void DidFailLoad(WebKit::WebFrame* frame,
                            const WebKit::WebURLError& error) {}
   virtual void DidFinishLoad(WebKit::WebFrame* frame) {}
   virtual void DidStartProvisionalLoad(WebKit::WebFrame* frame) {}
   virtual void DidFailProvisionalLoad(WebKit::WebFrame* frame,
                                       const WebKit::WebURLError& error) {}
   virtual void DidCommitProvisionalLoad(WebKit::WebFrame* frame,
                                         bool is_new_navigation) {}
   virtual void FrameDetached(WebKit::WebFrame* frame) {}
   virtual void FrameWillClose(WebKit::WebFrame* frame) {}
 
+  virtual void printPage(WebKit::WebFrame* frame) {}
+  virtual void RequestTextChecking(
+      const WebKit::WebString& text,
+      int document_tag,
+      WebKit::WebTextCheckingCompletion* completion) {}
+
   // These match the RenderView methods below.
   virtual void FrameTranslated(WebKit::WebFrame* frame) {}
   virtual void DidHandleMouseEvent(const WebKit::WebMouseEvent& event) {}
   virtual void PageCaptured(const string16& page_text) {}
 
  protected:
-  RenderViewObserver(RenderView* render_view);
+  explicit RenderViewObserver(RenderView* render_view);
   virtual ~RenderViewObserver();
 
   // IPC::Channel::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
 
   // IPC::Message::Sender implementation.
   virtual bool Send(IPC::Message* message);
 
   RenderView* render_view() { return render_view_; }
   int routing_id() { return routing_id_; }
 
  private:
   friend class RenderView;
 
   void set_render_view(RenderView* rv) { render_view_ = rv; }
 
   RenderView* render_view_;
   // The routing ID of the associated RenderView.
   int routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewObserver);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_OBSERVER_H_