[net] Change factory methods for HostResolver and HostCache to return a scoped_ptr

jingle/notifier/communicator/single_login_attempt_unittest.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 "jingle/notifier/communicator/single_login_attempt.h"
 
 #include <cstddef>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 55 matching lines @@
 
  private:
   DelegateState state_;
   base::WeakPtr<buzz::XmppTaskParentInterface> base_task_;
   ServerInformation redirect_server_;
 };
 
 class MyTestURLRequestContext : public TestURLRequestContext {
  public:
   MyTestURLRequestContext() : TestURLRequestContext(true) {
-    context_storage_.set_host_resolver(new net::HangingHostResolver());
+    context_storage_.set_host_resolver(
+        scoped_ptr<net::HostResolver>(new net::HangingHostResolver()));
     Init();
   }
   virtual ~MyTestURLRequestContext() {}
 };
 
 class SingleLoginAttemptTest : public ::testing::Test {
  protected:
   SingleLoginAttemptTest()
       : login_settings_(
           buzz::XmppClientSettings(),
@@ skipping 156 matching lines @@
 // Fire 'Unauthorized' errors and make sure the delegate gets the
 // OnCredentialsRejected() event.
 TEST_F(SingleLoginAttemptTest, CredentialsRejected) {
   attempt_.OnError(buzz::XmppEngine::ERROR_UNAUTHORIZED, 0, NULL);
   EXPECT_EQ(CREDENTIALS_REJECTED, fake_delegate_.state());
 }
 
 }  // namespace
 
 }  // namespace notifier