Convert ProtocolHandlerRegistry to be a ProfileKeyedService.

chrome/browser/profiles/profile.h

Index: chrome/browser/profiles/profile.h
diff --git a/chrome/browser/profiles/profile.h b/chrome/browser/profiles/profile.h
index 7c73363b606c8831efe8d4714eab91f0b984b94b..e9c1f92304ee2ca9c3ef96be58621103e6270d8e 100644
--- a/chrome/browser/profiles/profile.h
+++ b/chrome/browser/profiles/profile.h
@@ -283,6 +283,7 @@ class Profile : public content::BrowserContext {
   virtual BookmarkModel* GetBookmarkModel() = 0;
 
   // Returns the ProtocolHandlerRegistry, creating if not yet created.
+  // TODO(smckay): replace this with access via ProtocolHandlerRegistryFactory.
   virtual ProtocolHandlerRegistry* GetProtocolHandlerRegistry() = 0;
 
   // Return whether 2 profiles are the same. 2 profiles are the same if they
@@ -306,10 +307,6 @@ class Profile : public content::BrowserContext {
   // Start up service that gathers data from a promo resource feed.
   virtual void InitPromoResources() = 0;
 
-  // Register URLRequestFactories for protocols registered with
-  // registerProtocolHandler.
-  virtual void InitRegisteredProtocolHandlers() = 0;
-
   // Returns the last directory that was chosen for uploading or opening a file.
   virtual FilePath last_selected_directory() = 0;
   virtual void set_last_selected_directory(const FilePath& path) = 0;