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 cf794f63a94c64625bcde65dfe4039c4100a02a0..c8184f348d5730c41a69c341bda4c7b5886c467c 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -361,11 +361,6 @@ void TestingProfile::CreateAutocompleteClassifier() {
   autocomplete_classifier_.reset(new AutocompleteClassifier(this));
 }
 
-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();
@@ -690,7 +685,7 @@ base::Time TestingProfile::GetStartTime() const {
 }
 
 ProtocolHandlerRegistry* TestingProfile::GetProtocolHandlerRegistry() {
-  return protocol_handler_registry_.get();
+  return NULL;
 }
 
 FilePath TestingProfile::last_selected_directory() {