Allow manifest handlers to declare keys they depend on that must be parsed before them.

chrome/browser/extensions/extension_special_storage_policy_unittest.cc

Index: chrome/browser/extensions/extension_special_storage_policy_unittest.cc
diff --git a/chrome/browser/extensions/extension_special_storage_policy_unittest.cc b/chrome/browser/extensions/extension_special_storage_policy_unittest.cc
index b6e7de89965aefd8a0ed570e292690000274ee44..8216a5238a05e44ddd2c26f2db46aecbb224d0e5 100644
--- a/chrome/browser/extensions/extension_special_storage_policy_unittest.cc
+++ b/chrome/browser/extensions/extension_special_storage_policy_unittest.cc
@@ -28,8 +28,9 @@ class ExtensionSpecialStoragePolicyTest : public testing::Test {
   virtual void SetUp() {
     policy_ = new ExtensionSpecialStoragePolicy(NULL);
 #if defined(ENABLE_WEB_INTENTS)
-    extensions::ManifestHandler::Register(keys::kIntents,
-                                          new extensions::WebIntentsHandler);
+    extensions::ManifestHandler::Register(
+        keys::kIntents,
+        make_linked_ptr(new extensions::WebIntentsHandler));
 #endif
   }