Cleanup: Remove unneeded forward declarations from various chrome subdirectories.

chrome/service/cloud_print/cloud_print_helpers.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 CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_
 #define CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_
 #pragma once
 
 #include <map>
 #include <string>
+#include <vector>
 
 #include "chrome/service/cloud_print/print_system.h"
 #include "googleurl/src/gurl.h"
 
-class Task;
-class URLFetcher;
-
 namespace base {
 class DictionaryValue;
 }
 
 // Helper methods for the cloud print proxy code.
 class CloudPrintHelpers {
  public:
   static GURL GetUrlForPrinterRegistration(const GURL& cloud_print_server_url);
   static GURL GetUrlForPrinterUpdate(const GURL& cloud_print_server_url,
                                      const std::string& printer_id);
@@ skipping 37 matching lines @@
       const std::map<std::string, std::string>& string_map);
   static void GenerateMultipartPostDataForPrinterTags(
       const std::map<std::string, std::string>& printer_tags,
       const std::string& mime_boundary,
       std::string* post_data);
 
   // Returns true is tags indicate a dry run (test) job.
   static bool IsDryRunJob(const std::vector<std::string>& tags);
 
   static std::string GetCloudPrintAuthHeader();
+
  private:
-  CloudPrintHelpers() {
-  }
+  CloudPrintHelpers() {}
 };
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_