Make VibrationMessageFilter available to other platforms.

content/port/browser/vibration_provider.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_PORT_BROWSER_VIBRATION_PROVIDER_H_
+#define CONTENT_PORT_BROWSER_VIBRATION_PROVIDER_H_
+
+namespace content {
+
+class VibrationProvider {
+ public:
+  // Device should start vibrating for N milliseconds.
+  virtual void Vibrate(int64 milliseconds) = 0;
+
+  // Cancels vibration of the device.
+  virtual void CancelVibration() = 0;
+
+  virtual ~VibrationProvider() {}
+};
+
+}  // namespace content
+
+#endif // CONTENT_PORT_BROWSER_VIBRATION_PROVIDER_H_