[extension SW] Support lazy events from extension service workers.

extensions/renderer/script_context.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 EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_
 #define EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_
 
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 131 matching lines @@
   //
   // TODO(kalman): Remove this and replace with a GetOrigin() call which reads
   // of WebDocument::getSecurityOrigin():
   //  - The URL can change (e.g. pushState) but the origin cannot. Luckily it
   //    appears as though callers don't make security decisions based on the
   //    result of url() so it's not a problem... yet.
   //  - Origin is the correct check to be making.
   //  - It might let us remove the about:blank resolving?
   const GURL& url() const { return url_; }
 
+  const GURL& service_worker_scope() const;
+
   // Sets the URL of this ScriptContext. Usually this will automatically be set
   // on construction, unless this isn't constructed with enough information to
   // determine the URL (e.g. frame was null).
   // TODO(kalman): Make this a constructor parameter (as an origin).
   void set_url(const GURL& url) { url_ = url; }
+  void set_service_worker_scope(const GURL& scope) {
+    service_worker_scope_ = scope;
+  }
 
   // Returns whether the API |api| or any part of the API could be available in
   // this context without taking into account the context's extension.
   // |check_alias| Whether the API should be considered available if it has an
   // alias that is available.
   bool IsAnyFeatureAvailableToContext(const extensions::Feature& api,
                                       CheckAliasStatus check_alias);
 
   // Utility to get the URL we will match against for a frame. If the frame has
   // committed, this is the commited URL. Otherwise it is the provisional URL.
@@ skipping 95 matching lines @@
   APIPermissionSet content_capabilities_;
 
   // A list of base::Closure instances as an observer interface for
   // invalidation.
   std::vector<base::Closure> invalidate_observers_;
 
   v8::Isolate* isolate_;
 
   GURL url_;
 
+  GURL service_worker_scope_;
+
   std::unique_ptr<Runner> runner_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(ScriptContext);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_