Make ShortcutsBackend a ProfileKeyedService.

chrome/browser/profiles/profile_impl.cc

 // 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.
 
 #include "chrome/browser/profiles/profile_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
@@ skipping 777 matching lines @@
 }
 
 HistoryService* ProfileImpl::GetHistoryService(ServiceAccessType sat) {
   return HistoryServiceFactory::GetForProfile(this, sat).get();
 }
 
 HistoryService* ProfileImpl::GetHistoryServiceWithoutCreating() {
   return HistoryServiceFactory::GetForProfileIfExists(this).get();
 }
 
-history::ShortcutsBackend* ProfileImpl::GetShortcutsBackend() {
-  // This is called on one thread only - UI, so no magic is needed to protect
-  // against the multiple concurrent calls.
-  if (!shortcuts_backend_.get()) {
-    shortcuts_backend_ = new history::ShortcutsBackend(GetPath(), this);
-    CHECK(shortcuts_backend_->Init());
-  }
-  return shortcuts_backend_.get();
-}
-
 DownloadManagerDelegate* ProfileImpl::GetDownloadManagerDelegate() {
   return DownloadServiceFactory::GetForProfile(this)->
       GetDownloadManagerDelegate();
 }
 
 bool ProfileImpl::DidLastSessionExitCleanly() {
   // last_session_exited_cleanly_ is set when the preferences are loaded. Force
   // it to be set by asking for the prefs.
   GetPrefs();
   return last_session_exited_cleanly_;
@@ skipping 297 matching lines @@
   if (!path.empty())
     *cache_path = path;
   *max_size = is_media_context ? prefs_->GetInteger(prefs::kMediaCacheSize) :
                                  prefs_->GetInteger(prefs::kDiskCacheSize);
 }
 
 base::Callback<ChromeURLDataManagerBackend*(void)>
     ProfileImpl::GetChromeURLDataManagerBackendGetter() const {
   return io_data_.GetChromeURLDataManagerBackendGetter();
 }