Move test runner to a component

components/test_runner/mock_constraints.h

 // 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.
 
-#ifndef CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_CONSTRAINTS_H_
-#define CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_CONSTRAINTS_H_
+#ifndef COMPONENTS_TEST_RUNNER_MOCK_CONSTRAINTS_H_
+#define COMPONENTS_TEST_RUNNER_MOCK_CONSTRAINTS_H_
 
 namespace blink {
 class WebMediaConstraints;
 class WebString;
 }
 
 namespace content {
 
 class MockConstraints {
  public:
   static bool VerifyConstraints(const blink::WebMediaConstraints& constraints,
                                 blink::WebString* failed_constraint = 0);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCK_CONSTRAINTS_H_
+#endif  // COMPONENTS_TEST_RUNNER_MOCK_CONSTRAINTS_H_