Stop linking in the old Mojo EDK.

mojo/edk/system/core_test_base.cc

 // Copyright 2013 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/system/core_test_base.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
@@ skipping 166 matching lines @@
 
 CoreTestBase::~CoreTestBase() {
 }
 
 MojoHandle CoreTestBase::CreateMockHandle(CoreTestBase::MockHandleInfo* info) {
   scoped_refptr<MockDispatcher> dispatcher = MockDispatcher::Create(info);
   return core()->AddDispatcher(dispatcher);
 }
 
 Core* CoreTestBase::core() {
-  return mojo::edk::internal::GetCore();
+  return mojo::edk::internal::g_core;
 }
 
 // CoreTestBase_MockHandleInfo -------------------------------------------------
 
 CoreTestBase_MockHandleInfo::CoreTestBase_MockHandleInfo()
     : ctor_call_count_(0),
       dtor_call_count_(0),
       close_call_count_(0),
       write_message_call_count_(0),
       read_message_call_count_(0),
@@ skipping 173 matching lines @@
 }
 
 void CoreTestBase_MockHandleInfo::AwakableWasAdded(Awakable* awakable) {
   base::AutoLock locker(lock_);
   added_awakables_.push_back(awakable);
 }
 
 }  // namespace test
 }  // namespace edk
 }  // namespace mojo