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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_RENDERER_WEB_UI_RUNNER_H_
      6 #define CONTENT_RENDERER_WEB_UI_RUNNER_H_
      7 
      8 #include "gin/runner.h"
      9 
     10 namespace blink {
     11 class WebFrame;
     12 }
     13 
     14 namespace content {
     15 
     16 // Implementation of gin::Runner that forwards Runner functions to WebFrame.
     17 class WebUIRunner : public gin::Runner {
     18  public:
     19   // Does not take ownership of ContextHolder.
     20   WebUIRunner(blink::WebFrame* frame, gin::ContextHolder* context_holder);
     21   virtual ~WebUIRunner();
     22 
     23   void RegisterBuiltinModules();
     24 
     25   // Runner overrides:
     26   virtual void Run(const std::string& source,
     27                    const std::string& resource_name) OVERRIDE;
     28   virtual v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function,
     29                                      v8::Handle<v8::Value> receiver,
     30                                      int argc,
     31                                      v8::Handle<v8::Value> argv[]) OVERRIDE;
     32   virtual gin::ContextHolder* GetContextHolder() OVERRIDE;
     33 
     34  private:
     35   // Frame to execute script in.
     36   blink::WebFrame* frame_;
     37 
     38   // Created by blink bindings to V8.
     39   gin::ContextHolder* context_holder_;
     40 
     41   DISALLOW_COPY_AND_ASSIGN(WebUIRunner);
     42 };
     43 
     44 }  // namespace content
     45 
     46 #endif  // CONTENT_RENDERER_WEB_UI_RUNNER_H_
     47