prune down content_dll change to just the CONTENT_EXPORTS

content/browser/webui/web_ui.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_BROWSER_WEBUI_WEB_UI_H_
 #define CONTENT_BROWSER_WEBUI_WEB_UI_H_
 #pragma once
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback_old.h"
 #include "base/compiler_specific.h"
 #include "base/string16.h"
+#include "content/common/content_export.h"
 #include "content/common/page_transition_types.h"
 #include "ipc/ipc_channel.h"
 
 class WebUIMessageHandler;
 class GURL;
 class RenderViewHost;
 class TabContents;
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 class Value;
 }
 
 // A WebUI sets up the datasources and message handlers for a given HTML-based
 // UI.
 //
 // NOTE: If you're creating a new WebUI for Chrome code, make sure you extend
 // ChromeWebUI.
-class WebUI : public IPC::Channel::Listener {
+class CONTENT_EXPORT WebUI : public IPC::Channel::Listener {
  public:
   explicit WebUI(TabContents* contents);
   virtual ~WebUI();
 
   // IPC message handling.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnWebUISend(const GURL& source_url,
                            const std::string& message,
                            const base::ListValue& args);
 
@@ skipping 145 matching lines @@
   // A map of message name -> message handling callback.
   typedef std::map<std::string, MessageCallback*> MessageCallbackMap;
   MessageCallbackMap message_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUI);
 };
 
 // Messages sent from the DOM are forwarded via the WebUI to handler
 // classes. These objects are owned by WebUI and destroyed when the
 // host is destroyed.
-class WebUIMessageHandler {
+class CONTENT_EXPORT WebUIMessageHandler {
  public:
   WebUIMessageHandler();
   virtual ~WebUIMessageHandler();
 
   // Attaches |this| to |web_ui| in order to handle messages from it.  Declared
   // virtual so that subclasses can do special init work as soon as the web_ui
   // is provided.  Returns |this| for convenience.
   virtual WebUIMessageHandler* Attach(WebUI* web_ui);
 
   // Returns true to indicate that a long running operation is in progress and
@@ skipping 19 matching lines @@
   // Returns the attached WebUI for this handler.
   WebUI* web_ui() const { return web_ui_; }
 
   WebUI* web_ui_;  // TODO(wyck): Make private after merge conflicts go away.
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebUIMessageHandler);
 };
 
 #endif  // CONTENT_BROWSER_WEBUI_WEB_UI_H_