Move common cloud print methods from service/cloud_print to common/cloud_print.

chrome/service/cloud_print/cloud_print_wipeout.h

 // Copyright (c) 2012 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_WIPEOUT_H_
 #define CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_WIPEOUT_H_
 
 #include <list>
 #include <string>
 
 #include "base/basictypes.h"
 #include "chrome/service/cloud_print/cloud_print_url_fetcher.h"
 #include "googleurl/src/gurl.h"
 
+namespace cloud_print {
+
 // CloudPrintWipeout unregisters list of printers from the cloudprint service.
 class CloudPrintWipeout : public CloudPrintURLFetcherDelegate {
  public:
   class Client {
    public:
     virtual void OnUnregisterPrintersComplete() = 0;
    protected:
      virtual ~Client() {}
   };
 
@@ skipping 23 matching lines @@
   // The CloudPrintURLFetcher instance for the current request.
   scoped_refptr<CloudPrintURLFetcher> request_;
   // Auth token.
   std::string auth_token_;
   // List of printer to unregister
   std::list<std::string> printer_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintWipeout);
 };
 
+}  // namespace cloud_print
+
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_WIPEOUT_H_