NOT YET READY: UMA recording the kind of target frame when extensions pierce browsing instance.

chrome/browser/extensions/installed_loader.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/installed_loader.h"
 
 #include <stddef.h>
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 438 matching lines @@
           ++eventless_event_pages_count;
           VLOG(1) << "Event page without registered event listeners: "
                   << extension->id() << " " << extension->name();
         }
       }
     }
 
     // Using an enumeration shows us the total installed ratio across all users.
     // Using the totals per user at each startup tells us the distribution of
     // usage for each user (e.g. 40% of users have at least one app installed).
-    UMA_HISTOGRAM_ENUMERATION(
-        "Extensions.LoadType", type, Manifest::NUM_LOAD_TYPES);
+    UMA_HISTOGRAM_ENUMERATION("Extensions.LoadType", type, Manifest::TYPE_MAX);
     switch (type) {
       case Manifest::TYPE_THEME:
         ++theme_count;
         break;
       case Manifest::TYPE_USER_SCRIPT:
         ++user_script_count;
         break;
       case Manifest::TYPE_HOSTED_APP:
         ++hosted_app_count;
         if (Manifest::IsExternalLocation(location)) {
@@ skipping 161 matching lines @@
 int InstalledLoader::GetCreationFlags(const ExtensionInfo* info) {
   int flags = extension_prefs_->GetCreationFlags(info->extension_id);
   if (!Manifest::IsUnpackedLocation(info->extension_location))
     flags |= Extension::REQUIRE_KEY;
   if (extension_prefs_->AllowFileAccess(info->extension_id))
     flags |= Extension::ALLOW_FILE_ACCESS;
   return flags;
 }
 
 }  // namespace extensions