Extensions: Move cast_channel and hid APIs to extensions/.

extensions/browser/api/hid/hid_connection_resource.h

 // Copyright 2014 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 CHROME_BROWSER_EXTENSIONS_API_HID_HID_CONNECTION_RESOURCE_H_
-#define CHROME_BROWSER_EXTENSIONS_API_HID_HID_CONNECTION_RESOURCE_H_
+#ifndef EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_
+#define EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/browser_thread.h"
 #include "device/hid/hid_connection.h"
 #include "extensions/browser/api/api_resource.h"
 #include "extensions/browser/api/api_resource_manager.h"
 
 namespace extensions {
@@ skipping 14 matching lines @@
       content::BrowserThread::FILE;
 
  private:
   scoped_refptr<device::HidConnection> connection_;
 
   DISALLOW_COPY_AND_ASSIGN(HidConnectionResource);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_HID_HID_CONNECTION_RESOURCE_H_
+#endif  // EXTENSIONS_BROWSER_API_HID_HID_CONNECTION_RESOURCE_H_