google_apis: Migrate callers of message_loop_proxy() to task_runner()

google_apis/gaia/gaia_oauth_client_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.
 //
 // A complete set of unit tests for GaiaOAuthClient.
 
 #include <string>
 #include <vector>
 
 #include "base/json/json_reader.h"
@@ skipping 170 matching lines @@
   void SetUp() override {
     client_info_.client_id = "test_client_id";
     client_info_.client_secret = "test_client_secret";
     client_info_.redirect_uri = "test_redirect_uri";
   };
 
  protected:
   net::TestURLRequestContextGetter* GetRequestContext() {
     if (!request_context_getter_.get()) {
       request_context_getter_ = new net::TestURLRequestContextGetter(
-          message_loop_.message_loop_proxy());
+          message_loop_.task_runner());
     }
     return request_context_getter_.get();
   }
 
   base::MessageLoop message_loop_;
   scoped_refptr<net::TestURLRequestContextGetter> request_context_getter_;
   OAuthClientInfo client_info_;
 };
 
 class MockGaiaOAuthClientDelegate : public gaia::GaiaOAuthClient::Delegate {
@@ skipping 205 matching lines @@
 
   GaiaOAuthClient auth(GetRequestContext());
   auth.GetTokenHandleInfo("some_handle", 1, &delegate);
 
   std::string audience;
   ASSERT_TRUE(captured_result->GetString("audience", &audience));
   ASSERT_EQ("1234567890.apps.googleusercontent.com", audience);
 }
 
 }  // namespace gaia