Remove files that are no longer used in the Port EDK.

mojo/edk/embedder/test_embedder.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/edk/embedder/test_embedder.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/embedder_internal.h"
 #include "mojo/edk/embedder/platform_support.h"
-#include "mojo/edk/system/broker.h"
 #include "mojo/edk/system/core.h"
 #include "mojo/edk/system/handle_table.h"
 
 namespace mojo {
 
 namespace edk {
 namespace internal {
 
 bool ShutdownCheckNoLeaks(Core* core) {
   std::vector<MojoHandle> leaked_handles;
@@ skipping 19 matching lines @@
   delete internal::g_platform_support;
   internal::g_platform_support = nullptr;
 
   return rv;
 }
 
 }  // namespace test
 }  // namespace edk
 
 }  // namespace mojo