Make ExtensionPrefValueMap a ProfileKeyedService.

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index 076f27d1f50784c7d29898a95219750c64111297..9c8f2a362c01d0dccd0a177202792a4751d40bb2 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -17,7 +17,6 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
-#include "chrome/browser/extensions/extension_pref_value_map.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_special_storage_policy.h"
 #include "chrome/browser/extensions/extension_system.h"
@@ -435,10 +434,6 @@ VisitedLinkMaster* TestingProfile::GetVisitedLinkMaster() {
   return NULL;
 }
 
-ExtensionPrefValueMap* TestingProfile::GetExtensionPrefValueMap() {
-  return NULL;
-}
-
 ExtensionService* TestingProfile::GetExtensionService() {
   return ExtensionSystem::Get(this)->extension_service();
 }