Restrict EventRouter::Get/Set-RegisteredEvents.

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 428 matching lines @@
     // want to mess up the existing stats.
     if (type == Manifest::TYPE_EXTENSION) {
       UMA_HISTOGRAM_ENUMERATION("Extensions.BackgroundPageType",
                                 GetBackgroundPageType(extension),
                                 NUM_BACKGROUND_PAGE_TYPES);
 
       if (GetBackgroundPageType(extension) == EVENT_PAGE) {
         // Count extension event pages with no registered events. Either the
         // event page is badly designed, or there may be a bug where the event
         // page failed to start after an update (crbug.com/469361).
-        if (EventRouter::Get(extension_service_->profile())->
-                GetRegisteredEvents(extension->id()).size() == 0) {
+        if (!EventRouter::Get(extension_service_->profile())
+                 ->HasRegisteredEvents(extension->id())) {
           ++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).
@@ skipping 173 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