test_runner: Migrate MockConstraint to our Chromium C++ style.

content/shell/renderer/test_runner/MockConstraints.h

Index: content/shell/renderer/test_runner/MockConstraints.h
diff --git a/content/shell/renderer/test_runner/MockConstraints.h b/content/shell/renderer/test_runner/MockConstraints.h
deleted file mode 100644
index 6bcedad10f6ab5a8ddade1422ad8ce3fd9a06351..0000000000000000000000000000000000000000
--- a/content/shell/renderer/test_runner/MockConstraints.h
+++ /dev/null
@@ -1,22 +0,0 @@
-// 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_MOCKCONSTRAINTS_H_
-#define CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCKCONSTRAINTS_H_
-
-namespace blink {
-class WebMediaConstraints;
-class WebString;
-}
-
-namespace content {
-
-class MockConstraints {
-public:
-    static bool verifyConstraints(const blink::WebMediaConstraints&, blink::WebString* failedConstraint = 0);
-};
-
-}  // content
-
-#endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_MOCKCONSTRAINTS_H_