Avoid using ContentBrowserClient::IsIllegalOrigin in ResourceDispatcherHost.

chrome/browser/extensions/extension_system_impl.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/one_shot_event.h"
 
 class Profile;
 class ValueStore;
 
+namespace content {
+class ResourceContext;
+}
+
 namespace extensions {
 
 class ExtensionSystemSharedFactory;
 class NavigationObserver;
 class StateStoreNotificationObserver;
 class UninstallPingSender;
 class InstallGate;
 class ValueStoreFactory;
 class ValueStoreFactoryImpl;
 
@@ skipping 35 matching lines @@
   const OneShotEvent& ready() const override;
   ContentVerifier* content_verifier() override;  // shared
   std::unique_ptr<ExtensionSet> GetDependentExtensions(
       const Extension* extension) override;
   void InstallUpdate(const std::string& extension_id,
                      const base::FilePath& temp_dir) override;
 
  private:
   friend class ExtensionSystemSharedFactory;
 
+  // Helper functions to register and unregister extensions. These are invoked
+  // on the IO thread.
+  static void RegisterExtensionHelper(InfoMap* info_map,
+                                      const Extension* extension,
+                                      base::Time install_time,
+                                      bool incognito_enabled,
+                                      bool notifications_disabled,
+                                      const content::ResourceContext* context);
+  static void UnregisterExtensionHelper(
+      InfoMap* info_map,
+      const std::string& extension_id,
+      const UnloadedExtensionInfo::Reason reason,
+      const content::ResourceContext* context);
+
   // Owns the Extension-related systems that have a single instance
   // shared between normal and incognito profiles.
   class Shared : public KeyedService {
    public:
     explicit Shared(Profile* profile);
     ~Shared() override;
 
     // Initialization takes place in phases.
     virtual void InitPrefs();
     // This must not be called until all the providers have been created.
@@ skipping 60 matching lines @@
   Profile* profile_;
 
   Shared* shared_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemImpl);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_