Enable permission warnings from ManifestHandlers.

chrome/common/extensions/permissions/permissions_data.h

Index: chrome/common/extensions/permissions/permissions_data.h
diff --git a/chrome/common/extensions/permissions/permissions_data.h b/chrome/common/extensions/permissions/permissions_data.h
index 60534ec702cab85a148fb5864e670f826cf72eaf..d0b6413aa4b890006949b5028243ff274b1dc6e9 100644
--- a/chrome/common/extensions/permissions/permissions_data.h
+++ b/chrome/common/extensions/permissions/permissions_data.h
@@ -22,6 +22,7 @@ namespace extensions {
 class PermissionSet;
 class APIPermissionSet;
 class Extension;
+class ManifestPermissionSet;
 class URLPatternSet;
 class UserScript;
 
@@ -180,6 +181,9 @@ class PermissionsData {
   // Parse the permissions of a given extension in the initialization process.
   bool ParsePermissions(Extension* extension, string16* error);
 
+  // Ensure manifest handlers provide their custom manifest permissions.
+  void InitializeManifestPermissions(Extension* extension);
+
   // Finalize permissions after the initialization process completes.
   void FinalizePermissions(Extension* extension);