Refactor pref code out of ProfileImpl.

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 d3d4731192ceea7538c755ece144cabc6ff063b9..3b6c0af3df1113149966ef3c0eb6fcd6eb80ff01 100644
--- a/chrome/browser/profiles/profile_impl.h
+++ b/chrome/browser/profiles/profile_impl.h
@@ -60,15 +60,6 @@ class ProfileImpl : public Profile {
 
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
-  // Ensures that the preference hash store has been initialized for the profile
-  // at |profile_path|.
-  static void InitializePrefHashStoreIfRequired(
-      const base::FilePath& profile_path);
-
-  // Resets the contents of the preference hash store for the profile at
-  // |profile_path|.
-  static void ResetPrefHashStore(const base::FilePath& profile_path);
-
   // content::BrowserContext implementation:
   virtual base::FilePath GetPath() const OVERRIDE;
   virtual content::DownloadManagerDelegate*
@@ -188,8 +179,6 @@ class ProfileImpl : public Profile {
   // Does final prefs initialization and calls Init().
   void OnPrefsLoaded(bool success);
 
-  base::FilePath GetPrefFilePath();
-
 #if defined(ENABLE_SESSION_SERVICE)
   void StopCreateSessionServiceTimer();