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

chrome/service/cloud_print/cloud_print_auth.cc

Index: chrome/service/cloud_print/cloud_print_auth.cc
diff --git a/chrome/service/cloud_print/cloud_print_auth.cc b/chrome/service/cloud_print/cloud_print_auth.cc
index ab51c04d5a408893d500fdf63c5a9a806c1e6321..0e154136ea9d0dfebfd65416e07f63ffccab7657 100644
--- a/chrome/service/cloud_print/cloud_print_auth.cc
+++ b/chrome/service/cloud_print/cloud_print_auth.cc
@@ -6,6 +6,8 @@
 
 #include "base/bind.h"
 #include "base/string_util.h"
+#include "chrome/common/cloud_print/cloud_print_consts.h"
+#include "chrome/common/cloud_print/cloud_print_helpers.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"
@@ -66,9 +68,9 @@ void CloudPrintAuth::AuthenticateWithToken(
 
   // We need to get the credentials of the robot here.
   GURL get_authcode_url =
-      CloudPrintHelpers::GetUrlForGetAuthCode(cloud_print_server_url_,
-                                              oauth_client_info_.client_id,
-                                              proxy_id_);
+     cloud_print::GetUrlForGetAuthCode(cloud_print_server_url_,
+                                       oauth_client_info_.client_id,
+                                       proxy_id_);
   request_ = new CloudPrintURLFetcher;
   request_->StartGetRequest(get_authcode_url,
                             this,
@@ -161,13 +163,13 @@ CloudPrintURLFetcher::ResponseAction CloudPrintAuth::HandleJSONData(
   }
 
   std::string auth_code;
-  if (!json_data->GetString(kOAuthCodeValue, &auth_code)) {
+  if (!json_data->GetString(cloud_print::kOAuthCodeValue, &auth_code)) {
     VLOG(1) << "CP_AUTH: Creating robot account returned invalid json response";
     client_->OnInvalidCredentials();
     return CloudPrintURLFetcher::STOP_PROCESSING;
   }
 
-  json_data->GetString(kXMPPJidValue, &robot_email_);
+  json_data->GetString(cloud_print::kXMPPJidValue, &robot_email_);
   // Now that we have an auth code we need to get the refresh and access tokens.
   oauth_client_.reset(new gaia::GaiaOAuthClient(
       gaia::kGaiaOAuth2Url,