Remove GetExtensionService from Profile.

chrome/browser/extensions/settings/settings_test_util.cc

Index: chrome/browser/extensions/settings/settings_test_util.cc
diff --git a/chrome/browser/extensions/settings/settings_test_util.cc b/chrome/browser/extensions/settings/settings_test_util.cc
index afb1ca0e4390d6e1a91d0d3cc33dc1e875cd7b14..3ccbd29bc054f8524e7b9dc0a11994ed07f66e69 100644
--- a/chrome/browser/extensions/settings/settings_test_util.cc
+++ b/chrome/browser/extensions/settings/settings_test_util.cc
@@ -118,6 +118,12 @@ EventRouter* MockExtensionSystem::event_router() {
   return event_router_.get();
 }
 
+ExtensionService* MockExtensionSystem::extension_service() {
+  ExtensionServiceInterface* as_interface =
+      static_cast<ExtensionServiceInterface*>(&extension_service_);
+  return static_cast<ExtensionService*>(as_interface);
+}
+
 ProfileKeyedService* BuildMockExtensionSystem(Profile* profile) {
   return new MockExtensionSystem(profile);
 }