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diff --git a/chromium/third_party/WebKit/public/platform/WebMediaDeviceInfo.h b/chromium/third_party/WebKit/public/platform/WebMediaDeviceInfo.h
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+++ b/chromium/third_party/WebKit/public/platform/WebMediaDeviceInfo.h
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+/*
+ * Copyright (C) 2014 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebMediaDeviceInfo_h
+#define WebMediaDeviceInfo_h
+
+#include "WebCommon.h"
+#include "WebNonCopyable.h"
+#include "WebPrivatePtr.h"
+#include "WebString.h"
+
+namespace blink {
+
+class WebMediaDeviceInfoPrivate;
+
+class WebMediaDeviceInfo {
+public:
+    enum MediaDeviceKind {
+        MediaDeviceKindAudioInput,
+        MediaDeviceKindAudioOutput,
+        MediaDeviceKindVideoInput
+    };
+
+    WebMediaDeviceInfo() { }
+    WebMediaDeviceInfo(const WebMediaDeviceInfo& other) { assign(other); }
+    ~WebMediaDeviceInfo() { reset(); }
+
+    WebMediaDeviceInfo& operator=(const WebMediaDeviceInfo& other)
+    {
+        assign(other);
+        return *this;
+    }
+
+    BLINK_PLATFORM_EXPORT void assign(const WebMediaDeviceInfo&);
+
+    BLINK_PLATFORM_EXPORT void initialize(const WebString& deviceId, MediaDeviceKind, const WebString& label, const WebString& groupId);
+    BLINK_PLATFORM_EXPORT void reset();
+    bool isNull() const { return m_private.isNull(); }
+
+    BLINK_PLATFORM_EXPORT WebString deviceId() const;
+    BLINK_PLATFORM_EXPORT MediaDeviceKind kind() const;
+    BLINK_PLATFORM_EXPORT WebString label() const;
+    BLINK_PLATFORM_EXPORT WebString groupId() const;
+
+private:
+    WebPrivatePtr<WebMediaDeviceInfoPrivate> m_private;
+};
+
+} // namespace blink
+
+#endif // WebMediaDeviceInfo_h