[Sync] Fix namespaces for the sync_sessions component.

chrome/browser/ui/sync/browser_synced_window_delegates_getter.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/ui/sync/browser_synced_window_delegates_getter.h"
 
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/sync/browser_synced_window_delegate.h"
 #include "components/sync_sessions/synced_window_delegate.h"
 
 namespace browser_sync {
 
 BrowserSyncedWindowDelegatesGetter::BrowserSyncedWindowDelegatesGetter(
     Profile* profile)
     : profile_(profile) {}
 BrowserSyncedWindowDelegatesGetter::~BrowserSyncedWindowDelegatesGetter() {}
 
-std::set<const SyncedWindowDelegate*>
+std::set<const sync_sessions::SyncedWindowDelegate*>
 BrowserSyncedWindowDelegatesGetter::GetSyncedWindowDelegates() {
-  std::set<const SyncedWindowDelegate*> synced_window_delegates;
+  std::set<const sync_sessions::SyncedWindowDelegate*> synced_window_delegates;
   // Add all the browser windows.
   for (auto* browser : *BrowserList::GetInstance()) {
     if (browser->profile() != profile_)
       continue;
     synced_window_delegates.insert(browser->synced_window_delegate());
   }
   return synced_window_delegates;
 }
 
-const SyncedWindowDelegate* BrowserSyncedWindowDelegatesGetter::FindById(
-    SessionID::id_type id) {
+const sync_sessions::SyncedWindowDelegate*
+BrowserSyncedWindowDelegatesGetter::FindById(SessionID::id_type id) {
   Browser* browser = chrome::FindBrowserWithID(id);
   return (browser != nullptr) ? browser->synced_window_delegate() : nullptr;
 }
 
 }  // namespace browser_sync