Split out the extensions gin::Runner implementation into a separate class.

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"
@@ skipping 14 matching lines @@
 
 namespace content {
 class RenderFrame;
 class RenderView;
 }
 
 namespace extensions {
 class Extension;
 
 // Extensions wrapper for a v8 context.
-class ScriptContext : public RequestSender::Source, public gin::Runner {
+class ScriptContext : public RequestSender::Source {
  public:
   ScriptContext(const v8::Handle<v8::Context>& context,
                 blink::WebFrame* frame,
                 const Extension* extension,
                 Feature::Context context_type,
                 const Extension* effective_extension,
                 Feature::Context effective_context_type);
   ~ScriptContext() override;
 
   // Clears the WebFrame for this contexts and invalidates the associated
@@ skipping 89 matching lines @@
                                       bool match_about_blank);
 
   // RequestSender::Source implementation.
   ScriptContext* GetContext() override;
   void OnResponseReceived(const std::string& name,
                           int request_id,
                           bool success,
                           const base::ListValue& response,
                           const std::string& error) override;
 
-  // gin::Runner overrides.
-  void Run(const std::string& source,
-           const std::string& resource_name) override;
-  v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function,
-                             v8::Handle<v8::Value> receiver,
-                             int argc,
-                             v8::Handle<v8::Value> argv[]) override;
-  gin::ContextHolder* GetContextHolder() override;
-
   // Grants a set of content capabilities to this context.
   void SetContentCapabilities(const APIPermissionSet& permissions);
 
   // Indicates if this context has an effective API permission either by being
   // a context for an extension which has that permission, or by being a web
   // context which has been granted the corresponding capability by an
   // extension.
   bool HasAPIPermission(APIPermission::ID permission) const;
 
  protected:
   // The v8 context the bindings are accessible to.
   ScopedPersistent<v8::Context> v8_context_;
 
  private:
+  class Runner;
+
   // 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
   // might be a hosted app in the case that this context is hosting a web URL.
   scoped_refptr<const Extension> extension_;
 
   // The type of context.
   Feature::Context context_type_;
@@ skipping 12 matching lines @@
   // Contains safe copies of builtin objects like Function.prototype.
   SafeBuiltins safe_builtins_;
 
   // The set of capabilities granted to this context by extensions.
   APIPermissionSet content_capabilities_;
 
   v8::Isolate* isolate_;
 
   GURL url_;
 
+  scoped_ptr<Runner> runner_;
+
   DISALLOW_COPY_AND_ASSIGN(ScriptContext);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_