Remove references to Profile from browser_context_keyed_service.

chrome/browser/custom_handlers/protocol_handler_registry.h

Index: chrome/browser/custom_handlers/protocol_handler_registry.h
diff --git a/chrome/browser/custom_handlers/protocol_handler_registry.h b/chrome/browser/custom_handlers/protocol_handler_registry.h
index 84b1ecfd8abf45708250638bcf164f478ac42df9..79e44aa97c89246af61d571dadf19ff3d5feb0b1 100644
--- a/chrome/browser/custom_handlers/protocol_handler_registry.h
+++ b/chrome/browser/custom_handlers/protocol_handler_registry.h
@@ -33,7 +33,7 @@ class PrefRegistrySyncable;
 // instance of this class, which is initialized on browser start through
 // Profile::InitRegisteredProtocolHandlers(), and they should be the only
 // instances of this class.
-class ProtocolHandlerRegistry : public ProfileKeyedService {
+class ProtocolHandlerRegistry : public BrowserContextKeyedService {
 
  public:
   // Provides notification of when the OS level user agent settings