prune down content_dll change to just the CONTENT_EXPORTS

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 "content/common/content_export.h"
 #include "ipc/ipc_channel.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIconURL.h"
 
 class RenderView;
 
 namespace WebKit {
 class WebDataSource;
 class WebFrame;
 class WebFormElement;
 class WebMediaPlayerClient;
 class WebMouseEvent;
 class WebNode;
 class WebString;
 class WebURL;
 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 {
+class CONTENT_EXPORT 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 DidStartLoading() {}
   virtual void DidStopLoading() {}
   virtual void DidChangeIcon(WebKit::WebFrame* frame,
                              WebKit::WebIconURL::Type) {}
@@ skipping 48 matching lines @@
   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_