Add RetainedRef uses where needed.

chrome/browser/policy/policy_network_browsertest.cc

 // Copyright (c) 2015 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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 19 matching lines @@
   bool quic_enabled = context->http_transaction_factory()->GetSession()->
         params().enable_quic;
   EXPECT_EQ(quic_enabled_expected, quic_enabled);
 
   content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
                                    done_callback);
 }
 
 void VerifyQuicEnabledStatusInIOThread(bool quic_enabled_expected) {
   base::RunLoop run_loop;
-    content::BrowserThread::PostTask(
-        content::BrowserThread::IO,
-        FROM_HERE,
-        base::Bind(
-            VerifyQuicEnabledStatus,
-            make_scoped_refptr(g_browser_process->system_request_context()),
-            quic_enabled_expected,
-            run_loop.QuitClosure()));
-    run_loop.Run();
+  content::BrowserThread::PostTask(
+      content::BrowserThread::IO, FROM_HERE,
+      base::Bind(VerifyQuicEnabledStatus,
+                 base::RetainedRef(g_browser_process->system_request_context()),
+                 quic_enabled_expected, run_loop.QuitClosure()));
+  run_loop.Run();
 }
 
 }  // namespace
 
 namespace policy {
 
 // The tests are based on the assumption that command line flag kEnableQuic
 // guarantees that QUIC protocol is enabled which is the case at the moment
 // when these are being written.
 class QuicAllowedPolicyTestBase: public InProcessBrowserTest {
@@ skipping 68 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicAllowedPolicyIsNotSet);
 };
 
 IN_PROC_BROWSER_TEST_F(QuicAllowedPolicyIsNotSet, NoQuicRegulations) {
   VerifyQuicEnabledStatusInIOThread(true);
 }
 
 }  // namespace policy