net: Add NET_API to url_request.

net/url_request/view_cache_helper.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 NET_URL_REQUEST_VIEW_CACHE_HELPER_H_
 #define NET_URL_REQUEST_VIEW_CACHE_HELPER_H_
 #pragma once
 
 #include <string>
 
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
+#include "net/base/net_api.h"
 
 namespace disk_cache {
 class Backend;
 class Entry;
 }  // namespace disk_cache
 
 namespace net {
 
 class URLRequestContext;
 
-class ViewCacheHelper {
+class NET_API ViewCacheHelper {
  public:
   ViewCacheHelper();
   ~ViewCacheHelper();
 
   // Formats the cache information for |key| as HTML. Returns a net error code.
   // If this method returns ERR_IO_PENDING, |callback| will be notified when the
   // operation completes. |out| must remain valid until this operation completes
   // or the object is destroyed.
   int GetEntryInfoHTML(const std::string& key,
                        URLRequestContext* context,
@@ skipping 76 matching lines @@
 
   CompletionCallbackImpl<ViewCacheHelper> cache_callback_;
   scoped_refptr<CancelableCompletionCallback<ViewCacheHelper> > entry_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewCacheHelper);
 };
 
 }  // namespace net.
 
 #endif  // NET_URL_REQUEST_VIEW_CACHE_HELPER_H_