Remove profile-based per-host & default zoom level migration code.

chrome/browser/profiles/profile.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.h"
 
 #include <string>
 
 #include "base/prefs/pref_service.h"
 #include "build/build_config.h"
@@ skipping 93 matching lines @@
   // This pref is intentionally outside the above #if. That flag corresponds
   // to the Notifier extension and does not gate the launcher page.
   // TODO(skare): Remove or rename ENABLE_GOOGLE_NOW: http://crbug.com/459827.
   registry->RegisterBooleanPref(prefs::kGoogleNowLauncherEnabled, true);
   registry->RegisterBooleanPref(prefs::kDisableExtensions, false);
 #if defined(ENABLE_EXTENSIONS)
   registry->RegisterBooleanPref(extensions::pref_names::kAlertsInitialized,
                                 false);
 #endif
   registry->RegisterStringPref(prefs::kSelectFileLastDirectory, std::string());
-  // TODO(wjmaclean): remove the following two prefs once migration to per-
-  // partition zoom is complete.
-  registry->RegisterDoublePref(prefs::kDefaultZoomLevelDeprecated, 0.0);
-  registry->RegisterDictionaryPref(prefs::kPerHostZoomLevelsDeprecated);
-
   registry->RegisterDictionaryPref(prefs::kPartitionDefaultZoomLevel);
   registry->RegisterDictionaryPref(prefs::kPartitionPerHostZoomLevels);
   registry->RegisterStringPref(prefs::kDefaultApps, "install");
   registry->RegisterBooleanPref(prefs::kSpeechRecognitionFilterProfanities,
                                 true);
   registry->RegisterIntegerPref(prefs::kProfileIconVersion, 0);
 #if defined(OS_CHROMEOS)
   // TODO(dilmah): For OS_CHROMEOS we maintain kApplicationLocale in both
   // local state and user's profile.  For other platforms we maintain
   // kApplicationLocale only in local state.
@@ skipping 81 matching lines @@
   if (a->IsSameProfile(b))
     return false;
   return a->GetOriginalProfile() < b->GetOriginalProfile();
 }
 
 double Profile::GetDefaultZoomLevelForProfile() {
   return GetDefaultStoragePartition(this)
       ->GetHostZoomMap()
       ->GetDefaultZoomLevel();
 }