Add support for AMD to the extensions module system.

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 "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "extensions/common/features/feature.h"
 #include "extensions/renderer/module_system.h"
 #include "extensions/renderer/request_sender.h"
 #include "extensions/renderer/safe_builtins.h"
 #include "extensions/renderer/scoped_persistent.h"
+#include "gin/runner.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 class WebFrame;
 }
 
 namespace content {
 class RenderView;
 }
 
 namespace extensions {
 class Extension;
 
 // Extensions wrapper for a v8 context.
-class ScriptContext : public RequestSender::Source {
+class ScriptContext : public RequestSender::Source, public gin::Runner {
  public:
   ScriptContext(const v8::Handle<v8::Context>& context,
                 blink::WebFrame* frame,
                 const Extension* extension,
                 Feature::Context context_type);
   virtual ~ScriptContext();
 
   // Clears the WebFrame for this contexts and invalidates the associated
   // ModuleSystem.
   void Invalidate();
@@ skipping 71 matching lines @@
                                       bool match_about_blank);
 
   // RequestSender::Source implementation.
   virtual ScriptContext* GetContext() OVERRIDE;
   virtual void OnResponseReceived(const std::string& name,
                                   int request_id,
                                   bool success,
                                   const base::ListValue& response,
                                   const std::string& error) OVERRIDE;
 
+  // gin::Runner overrides.
+  virtual void Run(const std::string& source,
+                   const std::string& resource_name) OVERRIDE;
+  virtual v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function,
+                                     v8::Handle<v8::Value> receiver,
+                                     int argc,
+                                     v8::Handle<v8::Value> argv[]) OVERRIDE;
+  virtual gin::ContextHolder* GetContextHolder() OVERRIDE;
+
  protected:
   // The v8 context the bindings are accessible to.
   ScopedPersistent<v8::Context> v8_context_;
 
  private:
   // The WebFrame associated with this context. This can be NULL because this
   // object can outlive is destroyed asynchronously.
   blink::WebFrame* web_frame_;
 
   // The extension associated with this context, or NULL if there is none. This
@@ skipping 10 matching lines @@
   SafeBuiltins safe_builtins_;
 
   v8::Isolate* isolate_;
 
   DISALLOW_COPY_AND_ASSIGN(ScriptContext);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_