Migrate HostZoomMap to live in StoragePartition.

chrome/browser/browsing_data/browsing_data_remover_unittest.cc

Index: chrome/browser/browsing_data/browsing_data_remover_unittest.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover_unittest.cc b/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
index e8b895dfb4b1ca73ddfcdb53a7029e89e2ca869d..4a15378aea3ec012013e54218cded421843fa18e 100644
--- a/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
@@ -152,6 +152,12 @@ class TestStoragePartition : public StoragePartition {
   }
   content::GeofencingManager* GetGeofencingManager() override { return NULL; }
 
+  content::HostZoomMap* GetHostZoomMap() override { return NULL; }
+  content::HostZoomLevelContext* GetHostZoomLevelContext() override {
+    return NULL;
+  }
+  content::ZoomLevelDelegate* GetZoomLevelDelegate() override { return NULL; }
+
   void ClearDataForOrigin(uint32 remove_mask,
                           uint32 quota_storage_remove_mask,
                           const GURL& storage_origin,