Migrate HostZoomMap to live in StoragePartition.

chrome/browser/profiles/profile_impl.h

Index: chrome/browser/profiles/profile_impl.h
diff --git a/chrome/browser/profiles/profile_impl.h b/chrome/browser/profiles/profile_impl.h
index 3869b9af53ecb3d438867be113492ca6375c7575..55e0dd1c63adfaf44fa1be09c6f7d3531cda1ba6 100644
--- a/chrome/browser/profiles/profile_impl.h
+++ b/chrome/browser/profiles/profile_impl.h
@@ -75,6 +75,9 @@ class ProfileImpl : public Profile {
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   // content::BrowserContext implementation:
+  virtual double GetDefaultZoomLevel() const OVERRIDE;
+  virtual scoped_ptr<content::ZoomLevelPrefsStore>
+      CreateZoomLevelPrefsStore() OVERRIDE;
   virtual base::FilePath GetPath() const OVERRIDE;
   virtual content::DownloadManagerDelegate*
       GetDownloadManagerDelegate() OVERRIDE;
@@ -172,8 +175,6 @@ class ProfileImpl : public Profile {
   // Does final initialization. Should be called after prefs were loaded.
   void DoFinalInit();
 
-  void InitHostZoomMap();
-
   void OnDefaultZoomLevelChanged();
   void OnZoomLevelChanged(
       const content::HostZoomMap::ZoomLevelChange& change);