Made return types of various Value::DeepCopy() implementations more specific

chrome/service/cloud_print/cloud_print_proxy_backend.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/service/cloud_print/cloud_print_proxy_backend.h"
 
 #include <map>
 #include <vector>
 
 #include "base/file_util.h"
@@ skipping 251 matching lines @@
                                    const DictionaryValue* print_system_settings)
     : backend_(backend),
       cloud_print_server_url_(cloud_print_server_url),
       next_upload_index_(0),
       next_response_handler_(NULL),
       new_printers_available_(false),
       notifications_enabled_(false),
       job_poll_scheduled_(false) {
   if (print_system_settings) {
     // It is possible to have no print settings specified.
-    print_system_settings_.reset(
-        reinterpret_cast<DictionaryValue*>(print_system_settings->DeepCopy()));
+    print_system_settings_.reset(print_system_settings->DeepCopy());
   }
 }
 
 void CloudPrintProxyBackend::Core::DoInitializeWithLsid(
     const std::string& lsid, const std::string& proxy_id) {
   DCHECK(MessageLoop::current() == backend_->core_thread_.message_loop());
   // Since Talk does not accept a Cloud Print token, for now, we make 2 auth
   // requests, one for the chromiumsync service and another for print. This is
   // temporary and should be removed once Talk supports our token.
   // Note: The GAIA login is synchronous but that should be OK because we are in
@@ skipping 495 matching lines @@
   VLOG(1) << "CP_PROXY: Printer job handle shutdown, id " << printer_id;
   job_handler_map_.erase(printer_id);
 }
 
 void CloudPrintProxyBackend::Core::OnAuthError() {
   DCHECK(MessageLoop::current() == backend_->core_thread_.message_loop());
   VLOG(1) << "CP_PROXY: Auth Error";
   backend_->frontend_loop_->PostTask(FROM_HERE, NewRunnableMethod(this,
       &Core::NotifyAuthenticationFailed));
 }