Move all core files in //components/sessions into core/ subdir

components/sessions/core/tab_restore_service_delegate.h

 // Copyright (c) 2012 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 COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_DELEGATE_H_
 #define COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
-#include "components/sessions/session_id.h"
-#include "components/sessions/sessions_export.h"
+#include "components/sessions/core/session_id.h"
+#include "components/sessions/core/sessions_export.h"
 
 namespace sessions {
 
 class LiveTab;
 class SerializedNavigationEntry;
 class PlatformSpecificTabData;
 
 // Objects implement this interface to provide necessary functionality for
 // TabRestoreService to operate. These methods are mostly copies of existing
 // Browser methods.
@@ skipping 44 matching lines @@
       const std::string& user_agent_override) = 0;
   virtual void CloseTab() = 0;
 
  protected:
   virtual ~TabRestoreServiceDelegate() {}
 };
 
 }  // namespace sessions
 
 #endif  // COMPONENTS_SESSIONS_CORE_TAB_RESTORE_SERVICE_DELEGATE_H_