Convert ProtocolHandlerRegistry to be a ProfileKeyedService.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 1a5d2029aa2ee1228ec2a75557dfd94c3e5b0d14..fa324b0fc09cff13802a8f62c7576cd85dc1763b 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -26,6 +26,7 @@
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
+#include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/extensions/extension_event_router.h"
@@ -351,8 +352,6 @@ void ProfileImpl::DoFinalInit(bool is_new_profile) {
       g_browser_process->background_mode_manager()->RegisterProfile(this);
   }
 
-  InitRegisteredProtocolHandlers();
-
   InstantController::RecordMetrics(this);
 
   FilePath cookie_path = GetPath();
@@ -457,33 +456,6 @@ void ProfileImpl::InitPromoResources() {
 #endif
 }
 
-void ProfileImpl::InitRegisteredProtocolHandlers() {
-  if (protocol_handler_registry_)
-    return;
-  protocol_handler_registry_ = new ProtocolHandlerRegistry(this,
-      new ProtocolHandlerRegistry::Delegate());
-
-  // Install predefined protocol handlers.
-  InstallDefaultProtocolHandlers();
-
-  protocol_handler_registry_->Load();
-}
-
-void ProfileImpl::InstallDefaultProtocolHandlers() {
-#if defined(OS_CHROMEOS)
-  protocol_handler_registry_->AddPredefinedHandler(
-      ProtocolHandler::CreateProtocolHandler(
-          "mailto",
-          GURL(l10n_util::GetStringUTF8(IDS_GOOGLE_MAILTO_HANDLER_URL)),
-          l10n_util::GetStringUTF16(IDS_GOOGLE_MAILTO_HANDLER_NAME)));
-  protocol_handler_registry_->AddPredefinedHandler(
-      ProtocolHandler::CreateProtocolHandler(
-          "webcal",
-          GURL(l10n_util::GetStringUTF8(IDS_GOOGLE_WEBCAL_HANDLER_URL)),
-          l10n_util::GetStringUTF16(IDS_GOOGLE_WEBCAL_HANDLER_NAME)));
-#endif
-}
-
 FilePath ProfileImpl::last_selected_directory() {
   return GetPrefs()->GetFilePath(prefs::kSelectFileLastDirectory);
 }
@@ -543,9 +515,6 @@ ProfileImpl::~ProfileImpl() {
   if (pref_proxy_config_tracker_.get())
     pref_proxy_config_tracker_->DetachFromPrefService();
 
-  if (protocol_handler_registry_)
-    protocol_handler_registry_->Finalize();
-
   if (host_content_settings_map_)
     host_content_settings_map_->ShutdownOnUIThread();
 
@@ -826,7 +795,11 @@ BookmarkModel* ProfileImpl::GetBookmarkModel() {
 }
 
 ProtocolHandlerRegistry* ProfileImpl::GetProtocolHandlerRegistry() {
-  return protocol_handler_registry_.get();
+  // TODO(smckay): Update all existing callers to use
+  // ProtocolHandlerRegistryFactory. Once that's done, this method
+  // can be nuked from Profile and ProfileImpl.
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  return ProtocolHandlerRegistryFactory::GetForProfile(this);
 }
 
 bool ProfileImpl::IsSameProfile(Profile* profile) {