Migrate HostZoomMap to live in StoragePartition.

chrome/browser/profiles/off_the_record_profile_impl_unittest.cc

Index: chrome/browser/profiles/off_the_record_profile_impl_unittest.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl_unittest.cc b/chrome/browser/profiles/off_the_record_profile_impl_unittest.cc
index 86184c2420e86ea1a096238d03c82ffc579ba00e..dd69e622f829362a2cd9758e29fccbd82661c69b 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl_unittest.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl_unittest.cc
@@ -148,13 +148,10 @@ TEST_F(OffTheRecordProfileImplTest, GetHostZoomMap) {
   // OnZoomLevelChanged.
 
   // Prepare an off the record profile owned by the parent profile.
-  parent_profile->SetOffTheRecordProfile(
-      scoped_ptr<Profile>(new OffTheRecordProfileImpl(parent_profile)));
   OffTheRecordProfileImpl* child_profile =
       static_cast<OffTheRecordProfileImpl*>(
           parent_profile->GetOffTheRecordProfile());
-  child_profile->InitIoData();
-  child_profile->InitHostZoomMap();
+  child_profile->TrackZoomLevelsFromParent(parent_profile);
 
   // Prepare child host zoom map.
   HostZoomMap* child_zoom_map =