Pass list of printers to chrome using file.

chrome/browser/extensions/api/cloud_print_private/cloud_print_private_api.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/browser/extensions/api/cloud_print_private/cloud_print_private_api.h"
 
 #include <string>
 
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
 #include "chrome/common/extensions/api/cloud_print_private.h"
 #include "google_apis/google_api_keys.h"
 #include "net/base/net_util.h"
-#include "printing/backend/print_backend.h"
-
-
 
 namespace extensions {
 
 CloudPrintTestsDelegate* CloudPrintTestsDelegate::instance_ = NULL;
 
 CloudPrintTestsDelegate* CloudPrintTestsDelegate::instance() {
   return instance_;
 }
 
 CloudPrintTestsDelegate::CloudPrintTestsDelegate() {
   instance_ = this;
 }
 
 CloudPrintTestsDelegate::~CloudPrintTestsDelegate() {
   instance_ = NULL;
 }
 
 CloudPrintPrivateSetupConnectorFunction::
     CloudPrintPrivateSetupConnectorFunction() {
 }
 
 CloudPrintPrivateSetupConnectorFunction::
     ~CloudPrintPrivateSetupConnectorFunction() {
 }
 
 
 bool CloudPrintPrivateSetupConnectorFunction::RunImpl() {
-  using extensions::api::cloud_print_private::SetupConnector::Params;
+  using api::cloud_print_private::SetupConnector::Params;
   scoped_ptr<Params> params(Params::Create(*args_));
   if (CloudPrintTestsDelegate::instance()) {
     CloudPrintTestsDelegate::instance()->SetupConnector(
         params->user_email,
         params->robot_email,
         params->credentials,
         params->connect_new_printers,
         params->printer_blacklist);
   } else {
     CloudPrintProxyServiceFactory::GetForProfile(profile_)->
@@ skipping 21 matching lines @@
   SendResponse(true);
   return true;
 }
 
 CloudPrintPrivateGetPrintersFunction::CloudPrintPrivateGetPrintersFunction() {
 }
 
 CloudPrintPrivateGetPrintersFunction::~CloudPrintPrivateGetPrintersFunction() {
 }
 
-void CloudPrintPrivateGetPrintersFunction::ReturnResult(
-    const base::ListValue* printers) {
-  SetResult(printers->DeepCopy());
-  SendResponse(true);
-}
-
 void CloudPrintPrivateGetPrintersFunction::CollectPrinters() {
-  scoped_ptr<base::ListValue> result(new base::ListValue());
+  std::vector<std::string> result;
   if (CloudPrintTestsDelegate::instance()) {
-    std::vector<std::string> printers =
-        CloudPrintTestsDelegate::instance()->GetPrinters();
-    for (size_t i = 0; i < printers.size(); ++i)
-      result->Append(Value::CreateStringValue(printers[i]));
+    result = CloudPrintTestsDelegate::instance()->GetPrinters();
   } else {
-    printing::PrinterList printers;
-    scoped_refptr<printing::PrintBackend> backend(
-      printing::PrintBackend::CreateInstance(NULL));
-    if (backend)
-      backend->EnumeratePrinters(&printers);
-    for (size_t i = 0; i < printers.size(); ++i)
-      result->Append(Value::CreateStringValue(printers[i].printer_name));
+    CloudPrintProxyService::GetPrintersAvalibleForRegistration(&result);
   }
+  results_ = api::cloud_print_private::GetPrinters::Results::Create(result);
   content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
-      base::Bind(&CloudPrintPrivateGetPrintersFunction::ReturnResult, this,
-                 base::Owned(result.release())));
+      base::Bind(&CloudPrintPrivateGetPrintersFunction::SendResponse,
+                 this, true));
 }
 
 
 bool CloudPrintPrivateGetPrintersFunction::RunImpl() {
   content::BrowserThread::GetBlockingPool()->PostTask(FROM_HERE,
       base::Bind(&CloudPrintPrivateGetPrintersFunction::CollectPrinters, this));
   return true;
 }
 
 
 CloudPrintPrivateGetClientIdFunction::CloudPrintPrivateGetClientIdFunction() {
 }
 
 CloudPrintPrivateGetClientIdFunction::~CloudPrintPrivateGetClientIdFunction() {
 }
 
 bool CloudPrintPrivateGetClientIdFunction::RunImpl() {
   SetResult(Value::CreateStringValue(
       CloudPrintTestsDelegate::instance() ?
       CloudPrintTestsDelegate::instance()->GetClientId() :
       google_apis::GetOAuth2ClientID(google_apis::CLIENT_CLOUD_PRINT)));
   SendResponse(true);
   return true;
 }
 
 }  // namespace extensions