chromeos: Move files in //ash/common to //ash, part 2

ash/test/ash_test_impl_aura.h

 // Copyright 2016 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.
 
 #ifndef ASH_MUS_TEST_ASH_TEST_IMPL_AURA_H_
 #define ASH_MUS_TEST_ASH_TEST_IMPL_AURA_H_
 
-#include "ash/common/test/ash_test_impl.h"
+#include "ash/test/ash_test_impl.h"
 
 namespace ash {
 namespace test {
 class AshTestBase;
 }
 
 // Implementation of AshTestImpl on top of aura. Implementation of AshTestImpl
 // calls through to AshTestBase.
 class AshTestImplAura : public AshTestImpl {
  public:
@@ skipping 22 matching lines @@
 
  private:
   std::unique_ptr<test::AshTestBase> ash_test_base_;
 
   DISALLOW_COPY_AND_ASSIGN(AshTestImplAura);
 };
 
 }  // namespace ash
 
 #endif  // ASH_MUS_TEST_ASH_TEST_IMPL_AURA_H_