Convert ProtocolHandlerRegistry to be a ProfileKeyedService.

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index a652086e73846155e8ee5861ac8695e6a30af1c4..b5170d76b1d8bf1544f336db6d0719daa3891243 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -356,11 +356,6 @@ void TestingProfile::CreateBookmarkModel(bool delete_file) {
   }
 }
 
-void TestingProfile::CreateProtocolHandlerRegistry() {
-  protocol_handler_registry_ = new ProtocolHandlerRegistry(this,
-      new ProtocolHandlerRegistry::Delegate());
-}
-
 static scoped_refptr<RefcountedProfileKeyedService> BuildWebDataService(
     Profile* profile) {
   WebDataService* web_data_service = new WebDataService();
@@ -661,7 +656,7 @@ base::Time TestingProfile::GetStartTime() const {
 }
 
 ProtocolHandlerRegistry* TestingProfile::GetProtocolHandlerRegistry() {
-  return protocol_handler_registry_.get();
+  return NULL;
 }
 
 FilePath TestingProfile::last_selected_directory() {