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 4a568b746998b6e6b788ebf64b2ee2d1e7505e2a..deb40a64642053b95df37fcf1e5ae6e7340db5b3 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl_unittest.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl_unittest.cc
@@ -142,13 +142,9 @@ 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();
 
   // Prepare child host zoom map.
   HostZoomMap* child_zoom_map =