Create thread-safe RendererExtensionRegistry from ExtensionSet

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 <string>
 #include <vector>
 
@@ skipping 13 matching lines @@
 class WebFrame;
 class WebLocalFrame;
 }
 
 namespace content {
 class RenderFrame;
 }
 
 namespace extensions {
 class Extension;
-class ExtensionSet;
 
 // Extensions wrapper for a v8 context.
 class ScriptContext : public RequestSender::Source {
  public:
   ScriptContext(const v8::Local<v8::Context>& context,
                 blink::WebLocalFrame* frame,
                 const Extension* extension,
                 Feature::Context context_type,
                 const Extension* effective_extension,
                 Feature::Context effective_context_type);
   ~ScriptContext() override;
 
   // Returns whether |url| from any Extension in |extension_set| is sandboxed,
   // as declared in each Extension's manifest.
   // TODO(kalman): Delete this when crbug.com/466373 is fixed.
   // See comment in HasAccessOrThrowError.
-  static bool IsSandboxedPage(const ExtensionSet& extension_set,
-                              const GURL& url);
+  static bool IsSandboxedPage(const GURL& url);
 
   // Clears the WebFrame for this contexts and invalidates the associated
   // ModuleSystem.
   void Invalidate();
 
   // Registers |observer| to be run when this context is invalidated. Closures
   // are run immediately when Invalidate() is called, not in a message loop.
   void AddInvalidationObserver(const base::Closure& observer);
 
   // Returns true if this context is still valid, false if it isn't.
@@ skipping 164 matching lines @@
   GURL url_;
 
   scoped_ptr<Runner> runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ScriptContext);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_