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 a63fed9b4ec3e1523601784da8e9b2296b186028..01c912d8e697a7dea5bcff35dafcf457d6e4c46c 100644
--- a/content/browser/storage_partition_impl.h
+++ b/content/browser/storage_partition_impl.h
@@ -19,6 +19,8 @@
 
 namespace content {
 
+class HostZoomLevelContext;
+
 class StoragePartitionImpl : public StoragePartition {
  public:
   CONTENT_EXPORT virtual ~StoragePartitionImpl();
@@ -43,6 +45,8 @@ class StoragePartitionImpl : public StoragePartition {
   virtual DOMStorageContextWrapper* GetDOMStorageContext() OVERRIDE;
   virtual IndexedDBContextImpl* GetIndexedDBContext() OVERRIDE;
   virtual ServiceWorkerContextWrapper* GetServiceWorkerContext() OVERRIDE;
+  virtual HostZoomMap* GetHostZoomMap() 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,
-      quota::SpecialStoragePolicy* special_storage_policy);
+      quota::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<quota::SpecialStoragePolicy> special_storage_policy_;
+  scoped_refptr<HostZoomLevelContext> host_zoom_level_context_;
 
   DISALLOW_COPY_AND_ASSIGN(StoragePartitionImpl);
 };