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

chrome/browser/ui/sync/browser_synced_window_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 CHROME_BROWSER_UI_SYNC_BROWSER_SYNCED_WINDOW_DELEGATE_H_
 #define CHROME_BROWSER_UI_SYNC_BROWSER_SYNCED_WINDOW_DELEGATE_H_
 
 #include "base/compiler_specific.h"
-#include "components/sessions/session_id.h"
+#include "components/sessions/core/session_id.h"
 #include "components/sync_driver/glue/synced_window_delegate.h"
 
 class Browser;
 
 namespace browser_sync {
 class SyncedTabDelegate;
 }
 
 // A BrowserSyncedWindowDelegate is the Browser-based implementation of
 // SyncedWindowDelegate.
@@ skipping 16 matching lines @@
   bool IsSessionRestoreInProgress() const override;
   bool ShouldSync() const override;
 
  private:
   Browser* browser_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserSyncedWindowDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_SYNC_BROWSER_SYNCED_WINDOW_DELEGATE_H_