Migrate HostZoomMap to live in StoragePartition.

content/browser/storage_partition_impl.h

Index: content/browser/storage_partition_impl.h
diff --git a/content/browser/storage_partition_impl.h b/content/browser/storage_partition_impl.h
index f9b7f9b26339e5bb2c1e5a7d61a0e0c5ec03cf86..c9b0e44963b9b73a051eb8d103a047087849ce12 100644
--- a/content/browser/storage_partition_impl.h
+++ b/content/browser/storage_partition_impl.h
@@ -10,6 +10,7 @@
 #include "base/memory/ref_counted.h"
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/dom_storage/dom_storage_context_wrapper.h"
+#include "content/browser/host_zoom_level_context.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
 #include "content/browser/media/webrtc_identity_store.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
@@ -43,6 +44,9 @@ class StoragePartitionImpl : public StoragePartition {
   virtual DOMStorageContextWrapper* GetDOMStorageContext() OVERRIDE;
   virtual IndexedDBContextImpl* GetIndexedDBContext() OVERRIDE;
   virtual ServiceWorkerContextWrapper* GetServiceWorkerContext() OVERRIDE;
+  virtual HostZoomMap* GetHostZoomMap() OVERRIDE;
+  virtual HostZoomLevelContext* GetHostZoomLevelContext() OVERRIDE;
+  virtual PrefService* GetZoomLevelPrefs() OVERRIDE;
 
   virtual void ClearDataForOrigin(
       uint32 remove_mask,
@@ -117,7 +121,8 @@ class StoragePartitionImpl : public StoragePartition {
       IndexedDBContextImpl* indexed_db_context,
       ServiceWorkerContextWrapper* service_worker_context,
       WebRTCIdentityStore* webrtc_identity_store,
-      storage::SpecialStoragePolicy* special_storage_policy);
+      storage::SpecialStoragePolicy* special_storage_policy,
+      HostZoomLevelContext* host_zoom_level_context);
 
   void ClearDataImpl(uint32 remove_mask,
                      uint32 quota_storage_remove_mask,
@@ -157,6 +162,7 @@ class StoragePartitionImpl : public StoragePartition {
   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
   scoped_refptr<WebRTCIdentityStore> webrtc_identity_store_;
   scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy_;
+  scoped_refptr<HostZoomLevelContext> host_zoom_level_context_;
 
   DISALLOW_COPY_AND_ASSIGN(StoragePartitionImpl);
 };