Remove direct reference to GetBlockingPool() in c/b/google_apis.

chrome/browser/google_apis/gdata_wapi_requests_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 <algorithm>
 #include <map>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 35 matching lines @@
   }
 
   virtual void SetUp() OVERRIDE {
     profile_.reset(new TestingProfile);
 
     request_context_getter_ = new net::TestURLRequestContextGetter(
         message_loop_.message_loop_proxy());
 
     request_sender_.reset(new RequestSender(profile_.get(),
                                             request_context_getter_.get(),
+                                            message_loop_.message_loop_proxy(),
                                             std::vector<std::string>(),
                                             kTestUserAgent));
     request_sender_->auth_service()->set_access_token_for_testing(
         kTestGDataAuthToken);
 
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     ASSERT_TRUE(test_server_.InitializeAndWaitUntilReady());
     test_server_.RegisterRequestHandler(
         base::Bind(&test_util::HandleDownloadFileRequest,
@@ skipping 1525 matching lines @@
   EXPECT_EQ(HTTP_SUCCESS, result_code);
   EXPECT_EQ(net::test_server::METHOD_GET, http_request_.method);
   EXPECT_EQ(kTestDownloadPathPrefix + kTestId, http_request_.relative_url);
   EXPECT_EQ(kDownloadedFilePath, temp_file);
 
   const std::string expected_contents = kTestId + kTestId + kTestId;
   EXPECT_EQ(expected_contents, contents);
 }
 
 }  // namespace google_apis