EDK: Remove tracked_objects::Location argument in TestIOThread methods (etc.).

mojo/edk/test/test_io_thread.h

Index: mojo/edk/test/test_io_thread.h
diff --git a/mojo/edk/test/test_io_thread.h b/mojo/edk/test/test_io_thread.h
index 0b0f5dd2e480e734b521a4a71e0d676ee8e57851..e85672cf4e73dd52b94da88ab4d9f78c1c968a10 100644
--- a/mojo/edk/test/test_io_thread.h
+++ b/mojo/edk/test/test_io_thread.h
@@ -29,12 +29,10 @@ class TestIOThread {
   void Stop();
 
   // Post |task| to the IO thread.
-  void PostTask(const tracked_objects::Location& from_here,
-                const base::Closure& task);
+  void PostTask(const base::Closure& task);
   // Posts |task| to the IO-thread with an WaitableEvent associated blocks on
   // it until the posted |task| is executed, then returns.
-  void PostTaskAndWait(const tracked_objects::Location& from_here,
-                       const base::Closure& task);
+  void PostTaskAndWait(const base::Closure& task);
 
   base::MessageLoopForIO* message_loop() {
     return static_cast<base::MessageLoopForIO*>(io_thread_.message_loop());