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

chrome/browser/sync/glue/synced_session_util.cc

 // 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.
 
 #include "chrome/browser/sync/glue/synced_session_util.h"
 
 #include "chrome/common/url_constants.h"
-#include "components/sessions/session_types.h"
+#include "components/sessions/core/session_types.h"
 #include "content/public/common/url_constants.h"
 
 namespace browser_sync {
 
 // Note: chrome:// and file:// are not considered valid urls (for syncing).
 bool ShouldSyncURL(const GURL& url) {
   return url.is_valid() && !url.SchemeIs(content::kChromeUIScheme) &&
          !url.SchemeIs(chrome::kChromeNativeScheme) && !url.SchemeIsFile();
 }
 
 bool ShouldSyncSessionTab(const sessions::SessionTab& tab) {
   for (auto&& navigation : tab.navigations) {
     if (ShouldSyncURL(navigation.virtual_url())) {
       return true;
     }
   }
   return false;
 }
 
 bool ShouldSyncSessionWindow(const sessions::SessionWindow& window) {
   for (auto* tab : window.tabs) {
     if (ShouldSyncSessionTab(*tab)) {
       return true;
     }
   }
   return false;
 }
 
 }  // namespace browser_sync