base: Make RefCountedBytes::TakeVector return ref ptr instead of raw ptr

chrome/browser/printing/cloud_print/privet_http_unittest.cc

 // Copyright 2013 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/printing/cloud_print/privet_http.h"
 
 #include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 753 matching lines @@
         new FakePWGRasterConverter);
     pwg_converter_ = pwg_converter.get();
     local_print_operation_->SetPWGRasterConverterForTesting(
         std::move(pwg_converter));
   }
 
   scoped_refptr<base::RefCountedBytes> RefCountedBytesFromString(
       std::string str) {
     std::vector<unsigned char> str_vec;
     str_vec.insert(str_vec.begin(), str.begin(), str.end());
-    return scoped_refptr<base::RefCountedBytes>(
-        base::RefCountedBytes::TakeVector(&str_vec));
+    return base::RefCountedBytes::TakeVector(&str_vec);
   }
 
  protected:
   scoped_ptr<PrivetLocalPrintOperation> local_print_operation_;
   StrictMock<MockLocalPrintDelegate> local_print_delegate_;
   FakePWGRasterConverter* pwg_converter_;
 };
 
 INSTANTIATE_TEST_CASE_P(PrivetTests,
                         PrivetLocalPrintTest,
@@ skipping 326 matching lines @@
   base::Closure quit_;
 };
 
 TEST_F(PrivetHttpWithServerTest, HttpServer) {
   EXPECT_TRUE(Run());
 }
 
 }  // namespace
 
 }  // namespace cloud_print