Changing CloudPrintURLFetcher instantiation to be more testable

chrome/service/cloud_print/cloud_print_connector.cc

Index: chrome/service/cloud_print/cloud_print_connector.cc
diff --git a/chrome/service/cloud_print/cloud_print_connector.cc b/chrome/service/cloud_print/cloud_print_connector.cc
index 8338f2220609b75dfa6a0ede2114c974f762b47e..38b3d968b8cb1f9bfa9924404161630479b5d902 100644
--- a/chrome/service/cloud_print/cloud_print_connector.cc
+++ b/chrome/service/cloud_print/cloud_print_connector.cc
@@ -289,7 +289,7 @@ void CloudPrintConnector::StartGetRequest(const GURL& url,
                                           int max_retries,
                                           ResponseHandler handler) {
   next_response_handler_ = handler;
-  request_ = new CloudPrintURLFetcher;
+  request_ = CloudPrintURLFetcher::Create();
   request_->StartGetRequest(url, this, max_retries, std::string());
 }
 
@@ -299,7 +299,7 @@ void CloudPrintConnector::StartPostRequest(const GURL& url,
                                            const std::string& post_data,
                                            ResponseHandler handler) {
   next_response_handler_ = handler;
-  request_ = new CloudPrintURLFetcher;
+  request_ = CloudPrintURLFetcher::Create();
   request_->StartPostRequest(
       url, this, max_retries, mime_type, post_data, std::string());
 }
@@ -318,7 +318,7 @@ void CloudPrintConnector::ReportUserMessage(const std::string& message_id,
   post_data.append("--" + mime_boundary + "--\r\n");
   std::string mime_type("multipart/form-data; boundary=");
   mime_type += mime_boundary;
-  user_message_request_ = new CloudPrintURLFetcher;
+  user_message_request_ = CloudPrintURLFetcher::Create();
   user_message_request_->StartPostRequest(url, this, 1, mime_type, post_data,
                                           std::string());
 }