Remove calls to deprecated MessageLoop methods in remoting.

This CL makes the following replacements in
remoting:

Before               After
----------------------------------------------------------
 x.PostTask()          x.task_runner()->PostTask()
   PostDelayedTask()                    PostDelayedTask()
   ReleaseSoon()                        ReleaseSoon()
   DeleteSoon()                         DeleteSoon()
x->PostTask()         y->task_runner()->PostTask()
   PostDelayedTask()                    PostDelayedTask()
   ReleaseSoon()                        ReleaseSoon()
   DeleteSoon()                         DeleteSoon()

 x.Run()              RunLoop().Run()
 x.RunUntilIdle()     RunLoop().RunUntilIdle()

x->Run()              RunLoop().Run()
x->RunUntilIdle()     RunLoop().RunUntilIdle()
    If |y| isn't MessageLoopForUI::current() or
    MessageLoopForIO::current()

 y.message_loop()->task_runner()
                      y.task_runner()
y->message_loop()->task_runner()
                      y->task_runner()
----------------------------------------------------------

|x| is a base::MessageLoop(ForUI|ForIO) or a pointer to
a base::MessageLoop(ForUI|ForIO). |y| is a base::Thread
or a pointer to a base::Thread.

This CL was generated using the MessageLoopDeprecatedMethods
clang-tidy fix available on the associated bug. Only files
that compile on Mac are affected. Follow-up CLs will make
these replacements for other platforms.

This CL doesn't change code behavior.

BUG=616447
[email protected]

Review-Url: https://codereview.chromium.org/2082363002
Cr-Commit-Position: refs/heads/master@{#401392}
diff --git a/remoting/base/auto_thread_unittest.cc b/remoting/base/auto_thread_unittest.cc
index 0faac34..5c72e351 100644
--- a/remoting/base/auto_thread_unittest.cc
+++ b/remoting/base/auto_thread_unittest.cc
@@ -5,7 +5,9 @@
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
+#include "base/run_loop.h"
 #include "base/scoped_native_library.h"
+#include "base/single_thread_task_runner.h"
 #include "build/build_config.h"
 #include "remoting/base/auto_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -67,10 +69,10 @@
     // references created in tests are gone.  We also post a delayed quit
     // task to |message_loop_| so the test will not hang on failure.
     main_task_runner_ = NULL;
-    message_loop_.PostDelayedTask(FROM_HERE,
-                                  base::MessageLoop::QuitWhenIdleClosure(),
-                                  base::TimeDelta::FromSeconds(5));
-    message_loop_.Run();
+    message_loop_.task_runner()->PostDelayedTask(
+        FROM_HERE, base::MessageLoop::QuitWhenIdleClosure(),
+        base::TimeDelta::FromSeconds(5));
+    base::RunLoop().Run();
   }
 
   void SetUp() override {
@@ -88,7 +90,8 @@
  protected:
   void QuitMainMessageLoop() {
     message_loop_quit_correctly_ = true;
-    message_loop_.PostTask(FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
+    message_loop_.task_runner()->PostTask(
+        FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
   }
 
   base::MessageLoop message_loop_;