[Presentation API] Move Presentation API structs to public/common

content/public/common/presentation_session.h

 // Copyright 2015 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_PUBLIC_BROWSER_PRESENTATION_SESSION_H_
-#define CONTENT_PUBLIC_BROWSER_PRESENTATION_SESSION_H_
+#ifndef CONTENT_PUBLIC_COMMON_PRESENTATION_SESSION_H_
+#define CONTENT_PUBLIC_COMMON_PRESENTATION_SESSION_H_
 
 #include <string>
 
 #include "content/common/content_export.h"
 #include "url/gurl.h"
 
 namespace content {
 
 enum PresentationConnectionState {
   PRESENTATION_CONNECTION_STATE_CONNECTING,
@@ skipping 35 matching lines @@
   PresentationError(PresentationErrorType error_type,
                     const std::string& message);
   ~PresentationError();
 
   const PresentationErrorType error_type;
   const std::string message;
 };
 
 }  // namespace content
 
-#endif  // CONTENT_PUBLIC_BROWSER_PRESENTATION_SESSION_H_
+#endif  // CONTENT_PUBLIC_COMMON_PRESENTATION_SESSION_H_