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

extensions/common/features/simple_feature.cc

 // Copyright 2014 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 "extensions/common/features/simple_feature.h"
 
 #include <algorithm>
 #include <map>
 #include <utility>
 #include <vector>
@@ skipping 55 matching lines @@
     case Manifest::TYPE_LEGACY_PACKAGED_APP:
       return "legacy packaged app";
     case Manifest::TYPE_PLATFORM_APP:
       return "packaged app";
     case Manifest::TYPE_THEME:
       return "theme";
     case Manifest::TYPE_USER_SCRIPT:
       return "user script";
     case Manifest::TYPE_SHARED_MODULE:
       return "shared module";
-    case Manifest::NUM_LOAD_TYPES:
-      NOTREACHED();
   }
   NOTREACHED();
   return "";
 }
 
 // Gets a human-readable name for the given context type, suitable for giving
 // to developers in an error message.
 std::string GetDisplayName(Feature::Context context) {
   switch (context) {
     case Feature::UNSPECIFIED_CONTEXT:
@@ skipping 519 matching lines @@
   // "matches" from say "blessed_extension" then they can use complex features.
   if ((context == WEB_PAGE_CONTEXT || context == WEBUI_CONTEXT) &&
       !matches_.MatchesURL(url)) {
     return CreateAvailability(INVALID_URL, url);
   }
 
   return CreateAvailability(IS_AVAILABLE);
 }
 
 }  // namespace extensions