Cleanup: Constify some ProfileKeyedBaseFactory methods and all overrides. Remove ProfileKeyedBaseFa…

chrome/browser/sessions/session_service_factory.cc

Index: chrome/browser/sessions/session_service_factory.cc
===================================================================
--- chrome/browser/sessions/session_service_factory.cc	(revision 154876)
+++ chrome/browser/sessions/session_service_factory.cc	(working copy)
@@ -65,10 +65,10 @@
   return service;
 }
 
-bool SessionServiceFactory::ServiceIsCreatedWithProfile() {
+bool SessionServiceFactory::ServiceIsCreatedWithProfile() const {
   return true;
 }
 
-bool SessionServiceFactory::ServiceIsNULLWhileTesting() {
+bool SessionServiceFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }