Migrate HostZoomMap to live in StoragePartition.

chrome/browser/profiles/off_the_record_profile_impl.h

Index: chrome/browser/profiles/off_the_record_profile_impl.h
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.h b/chrome/browser/profiles/off_the_record_profile_impl.h
index 750d51932359428eac856b1005fbb61a6f3f69e8..38935670a7dcd3fb7434cb6771603fb4948093eb 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.h
+++ b/chrome/browser/profiles/off_the_record_profile_impl.h
@@ -13,7 +13,6 @@
 #include "chrome/browser/ui/browser_list.h"
 #include "components/domain_reliability/clear_mode.h"
 #include "content/public/browser/content_browser_client.h"
-#include "content/public/browser/host_zoom_map.h"
 
 using base::Time;
 using base::TimeDelta;
@@ -110,13 +109,11 @@ class OffTheRecordProfileImpl : public Profile {
  private:
   FRIEND_TEST_ALL_PREFIXES(OffTheRecordProfileImplTest, GetHostZoomMap);
   void InitIoData();
-  void InitHostZoomMap();
 
 #if defined(OS_ANDROID) || defined(OS_IOS)
   void UseSystemProxy();
 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
 
-  void OnZoomLevelChanged(const content::HostZoomMap::ZoomLevelChange& change);
   PrefProxyConfigTracker* CreateProxyConfigTracker();
 
   // The real underlying profile.
@@ -137,8 +134,6 @@ class OffTheRecordProfileImpl : public Profile {
 
   scoped_ptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
 
-  scoped_ptr<content::HostZoomMap::Subscription> zoom_subscription_;
-
   DISALLOW_COPY_AND_ASSIGN(OffTheRecordProfileImpl);
 };