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

google_apis/drive/base_requests_server_unittest.cc

Index: google_apis/drive/base_requests_server_unittest.cc
diff --git a/google_apis/drive/base_requests_server_unittest.cc b/google_apis/drive/base_requests_server_unittest.cc
index 1a8111bace69bd3af5d6458eab303a3f79668a9d..c4fe3882f925d510d148ca5f6346e4b557d3136d 100644
--- a/google_apis/drive/base_requests_server_unittest.cc
+++ b/google_apis/drive/base_requests_server_unittest.cc
@@ -37,12 +37,12 @@ class BaseRequestsServerTest : public testing::Test {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     request_context_getter_ = new net::TestURLRequestContextGetter(
-        message_loop_.message_loop_proxy());
+        message_loop_.task_runner());
 
     request_sender_.reset(new RequestSender(
         new DummyAuthService,
         request_context_getter_.get(),
-        message_loop_.message_loop_proxy(),
+        message_loop_.task_runner(),
         kTestUserAgent));
 
     ASSERT_TRUE(test_server_.InitializeAndWaitUntilReady());