Add exports needed for glue to build as a component.

webkit/glue/alt_error_page_resource_fetcher.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 WEBKIT_GLUE_ALT_ERROR_PAGE_RESOURCE_FETCHER_H_
 #define WEBKIT_GLUE_ALT_ERROR_PAGE_RESOURCE_FETCHER_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLError.h"
+#include "webkit/glue/webkit_glue_export.h"
 
 namespace WebKit {
 class WebFrame;
 class WebURLResponse;
 }
 
 namespace webkit_glue {
 class ResourceFetcherWithTimeout;
 
 // Used for downloading alternate dns error pages. Once downloading is done
 // (or fails), the webview delegate is notified.
 class AltErrorPageResourceFetcher {
  public:
   // This will be called when the alternative error page has been fetched,
   // successfully or not.  If there is a failure, the third parameter (the
   // data) will be empty.
   typedef base::Callback<void(WebKit::WebFrame*, const WebKit::WebURLError&,
                     const std::string&)> Callback;
 
-  AltErrorPageResourceFetcher(const GURL& url,
-                              WebKit::WebFrame* frame,
-                              const WebKit::WebURLError& original_error,
-                              const Callback& callback);
-  ~AltErrorPageResourceFetcher();
+  WEBKIT_GLUE_EXPORT AltErrorPageResourceFetcher(
+      const GURL& url,
+      WebKit::WebFrame* frame,
+      const WebKit::WebURLError& original_error,
+      const Callback& callback);
+  WEBKIT_GLUE_EXPORT ~AltErrorPageResourceFetcher();
 
   // Stop any pending loads.
   void Cancel();
 
  private:
   void OnURLFetchComplete(const WebKit::WebURLResponse& response,
                           const std::string& data);
 
   // Does the actual fetching.
   scoped_ptr<ResourceFetcherWithTimeout> fetcher_;
 
   WebKit::WebFrame* frame_;
   Callback callback_;
 
   // The error associated with this load.  If there's an error talking with the
   // alt error page server, we need this to complete the original load.
   WebKit::WebURLError original_error_;
 
   DISALLOW_COPY_AND_ASSIGN(AltErrorPageResourceFetcher);
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_ALT_ERROR_PAGE_RESOURCE_FETCHER_H_