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

chrome/browser/extensions/shell_window_registry.cc

Index: chrome/browser/extensions/shell_window_registry.cc
===================================================================
--- chrome/browser/extensions/shell_window_registry.cc	(revision 154876)
+++ chrome/browser/extensions/shell_window_registry.cc	(working copy)
@@ -112,11 +112,11 @@
   return new ShellWindowRegistry();
 }
 
-bool ShellWindowRegistry::Factory::ServiceIsCreatedWithProfile() {
+bool ShellWindowRegistry::Factory::ServiceIsCreatedWithProfile() const {
   return true;
 }
 
-bool ShellWindowRegistry::Factory::ServiceIsNULLWhileTesting() {
+bool ShellWindowRegistry::Factory::ServiceIsNULLWhileTesting() const {
   return false;
 }