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

mojo/edk/system/data_pipe_impl_unittest.cc

Index: mojo/edk/system/data_pipe_impl_unittest.cc
diff --git a/mojo/edk/system/data_pipe_impl_unittest.cc b/mojo/edk/system/data_pipe_impl_unittest.cc
index c3c30dcc124bdad4ac4fdcd582a8f480e3596ade..24a4bcac55d13542d8cb49f9f16ddc84dc1c7734 100644
--- a/mojo/edk/system/data_pipe_impl_unittest.cc
+++ b/mojo/edk/system/data_pipe_impl_unittest.cc
@@ -13,7 +13,6 @@
 #include <utility>
 
 #include "base/bind.h"
-#include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
@@ -232,18 +231,17 @@ class RemoteDataPipeImplTestHelper : public DataPipeImplTestHelper {
     message_pipes_[0] = MessagePipe::CreateLocalProxy(&ep[0]);
     message_pipes_[1] = MessagePipe::CreateLocalProxy(&ep[1]);
 
-    io_thread_.PostTaskAndWait(
-        FROM_HERE, base::Bind(&RemoteDataPipeImplTestHelper::SetUpOnIOThread,
-                              base::Unretained(this), base::Passed(&ep[0]),
-                              base::Passed(&ep[1])));
+    io_thread_.PostTaskAndWait(base::Bind(
+        &RemoteDataPipeImplTestHelper::SetUpOnIOThread, base::Unretained(this),
+        base::Passed(&ep[0]), base::Passed(&ep[1])));
   }
 
   void TearDown() override {
     EnsureMessagePipeClosed(0);
     EnsureMessagePipeClosed(1);
     io_thread_.PostTaskAndWait(
-        FROM_HERE, base::Bind(&RemoteDataPipeImplTestHelper::TearDownOnIOThread,
-                              base::Unretained(this)));
+        base::Bind(&RemoteDataPipeImplTestHelper::TearDownOnIOThread,
+                   base::Unretained(this)));
   }
 
   void Create(const MojoCreateDataPipeOptions& validated_options) override {