Make ExtensionPrefValueMap a ProfileKeyedService.

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index c22c132526850927ad68a05f559fbc1a0654ba96..7ded5d25cfe7883face05f2a679fe55e3de2eafa 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -22,7 +22,6 @@
 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/extensions/extension_pref_store.h"
-#include "chrome/browser/extensions/extension_pref_value_map.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_special_storage_policy.h"
@@ -192,10 +191,6 @@ VisitedLinkMaster* OffTheRecordProfileImpl::GetVisitedLinkMaster() {
   return NULL;
 }
 
-ExtensionPrefValueMap* OffTheRecordProfileImpl::GetExtensionPrefValueMap() {
-  return NULL;
-}
-
 ExtensionService* OffTheRecordProfileImpl::GetExtensionService() {
   return ExtensionSystem::Get(this)->extension_service();
 }