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

chrome/service/cloud_print/cloud_print_proxy_backend.cc

 // 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.
 
 #include "chrome/service/cloud_print/cloud_print_proxy_backend.h"
 
 #include <map>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/rand_util.h"
 #include "base/values.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/cloud_print/cloud_print_constants.h"
 #include "chrome/service/cloud_print/cloud_print_auth.h"
 #include "chrome/service/cloud_print/cloud_print_connector.h"
-#include "chrome/service/cloud_print/cloud_print_consts.h"
 #include "chrome/service/cloud_print/cloud_print_helpers.h"
 #include "chrome/service/cloud_print/cloud_print_token_store.h"
 #include "chrome/service/cloud_print/connector_settings.h"
 #include "chrome/service/gaia/service_gaia_authenticator.h"
 #include "chrome/service/net/service_url_request_context.h"
 #include "chrome/service/service_process.h"
 #include "google_apis/gaia/gaia_oauth_client.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 #include "jingle/notifier/base/notifier_options.h"
 #include "jingle/notifier/listener/push_client.h"
 #include "jingle/notifier/listener/push_client_observer.h"
 #include "ui/base/l10n/l10n_util.h"
 
+namespace cloud_print {
+
 // The real guts of CloudPrintProxyBackend, to keep the public client API clean.
 class CloudPrintProxyBackend::Core
     : public base::RefCountedThreadSafe<CloudPrintProxyBackend::Core>,
       public CloudPrintAuth::Client,
       public CloudPrintConnector::Client,
       public notifier::PushClientObserver {
  public:
   // It is OK for print_server_url to be empty. In this case system should
   // use system default (local) print server.
   Core(CloudPrintProxyBackend* backend,
@@ skipping 524 matching lines @@
   if (0 == base::strcasecmp(kCloudPrintPushNotificationsSource,
                             notification.channel.c_str()))
     HandlePrinterNotification(notification.data);
 }
 
 void CloudPrintProxyBackend::Core::OnPingResponse() {
   pending_xmpp_pings_ = 0;
   VLOG(1) << "CP_CONNECTOR: Ping response received.";
 }
 
+}  // namespace cloud_print