Make command-zero reset page scale in addition to zoom level

chrome/browser/profiles/off_the_record_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/off_the_record_profile_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ skipping 542 matching lines @@
     profile = new OffTheRecordProfileImpl(this);
   profile->Init();
   return profile;
 }
 
 void OffTheRecordProfileImpl::OnParentZoomLevelChanged(
     const HostZoomMap::ZoomLevelChange& change) {
   HostZoomMap* host_zoom_map = HostZoomMap::GetDefaultForBrowserContext(this);
   switch (change.mode) {
     case HostZoomMap::ZOOM_CHANGED_TEMPORARY_ZOOM:
-       return;
+      return;
     case HostZoomMap::ZOOM_CHANGED_FOR_HOST:
-       host_zoom_map->SetZoomLevelForHost(change.host, change.zoom_level);
-       return;
+      host_zoom_map->SetZoomLevelForHost(change.host, change.zoom_level);
+      return;
     case HostZoomMap::ZOOM_CHANGED_FOR_SCHEME_AND_HOST:
-       host_zoom_map->SetZoomLevelForHostAndScheme(change.scheme,
-           change.host,
-           change.zoom_level);
-       return;
+      host_zoom_map->SetZoomLevelForHostAndScheme(change.scheme,
+          change.host,
+          change.zoom_level);
+      return;
+    case HostZoomMap::PAGE_SCALE_IS_ONE_CHANGED:
+      return;
   }
 }
 
 void OffTheRecordProfileImpl::UpdateDefaultZoomLevel() {
   HostZoomMap* host_zoom_map = HostZoomMap::GetDefaultForBrowserContext(this);
   double default_zoom_level =
       profile_->GetZoomLevelPrefs()->GetDefaultZoomLevelPref();
   host_zoom_map->SetDefaultZoomLevel(default_zoom_level);
 }
 
 PrefProxyConfigTracker* OffTheRecordProfileImpl::CreateProxyConfigTracker() {
 #if defined(OS_CHROMEOS)
   if (chromeos::ProfileHelper::IsSigninProfile(this)) {
     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
         g_browser_process->local_state());
   }
 #endif  // defined(OS_CHROMEOS)
   return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
       GetPrefs(), g_browser_process->local_state());
 }