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

google_apis/drive/drive_api_requests_unittest.cc

Index: google_apis/drive/drive_api_requests_unittest.cc
diff --git a/google_apis/drive/drive_api_requests_unittest.cc b/google_apis/drive/drive_api_requests_unittest.cc
index 5e11fbd9f8de77494f2913514c2f3aeb6490d8ad..b3e96ee1af43e8094b9aaeed39a4460cb8fe6cf4 100644
--- a/google_apis/drive/drive_api_requests_unittest.cc
+++ b/google_apis/drive/drive_api_requests_unittest.cc
@@ -120,11 +120,11 @@ class DriveApiRequestsTest : public testing::Test {
 
   void SetUp() override {
     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(temp_dir_.CreateUniqueTempDir());