Move detached files from web/ to (core/modules)/exported.

third_party/WebKit/public/web/WebMediaDeviceChangeObserver.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 WebMediaDeviceChangeObserver_h
 #define WebMediaDeviceChangeObserver_h
 
 #include "public/platform/WebPrivatePtr.h"
 
 namespace blink {
@@ skipping 10 matching lines @@
   BLINK_EXPORT WebMediaDeviceChangeObserver& operator=(
       const WebMediaDeviceChangeObserver&);
   BLINK_EXPORT ~WebMediaDeviceChangeObserver();
 
   // Notify that the set of media devices has changed.
   BLINK_EXPORT void DidChangeMediaDevices();
   BLINK_EXPORT bool IsNull() const;
   BLINK_EXPORT WebSecurityOrigin GetSecurityOrigin() const;
 
 #if INSIDE_BLINK
-  explicit WebMediaDeviceChangeObserver(MediaDevices*);
+  BLINK_EXPORT explicit WebMediaDeviceChangeObserver(MediaDevices*);
 #endif
  private:
   void Assign(const WebMediaDeviceChangeObserver&);
   void Reset();
   WebPrivatePtr<MediaDevices> private_;
 };
 
 }  // namespace blink
 
 #endif