Move most of ChromeV8Context to a base ScriptContext

extensions/renderer/object_backed_native_handler.h

 // Copyright (c) 2012 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 CHROME_RENDERER_EXTENSIONS_OBJECT_BACKED_NATIVE_HANDLER_H_
-#define CHROME_RENDERER_EXTENSIONS_OBJECT_BACKED_NATIVE_HANDLER_H_
+#ifndef EXTENSIONS_RENDERER_OBJECT_BACKED_NATIVE_HANDLER_H_
+#define EXTENSIONS_RENDERER_OBJECT_BACKED_NATIVE_HANDLER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/linked_ptr.h"
 #include "extensions/renderer/native_handler.h"
 #include "extensions/renderer/scoped_persistent.h"
 #include "v8/include/v8-util.h"
 #include "v8/include/v8.h"
 
 namespace extensions {
-class ChromeV8Context;
+class ScriptContext;
 
 // An ObjectBackedNativeHandler is a factory for JS objects with functions on
 // them that map to native C++ functions. Subclasses should call RouteFunction()
 // in their constructor to define functions on the created JS objects.
 class ObjectBackedNativeHandler : public NativeHandler {
  public:
-  explicit ObjectBackedNativeHandler(ChromeV8Context* context);
+  explicit ObjectBackedNativeHandler(ScriptContext* context);
   virtual ~ObjectBackedNativeHandler();
 
   // Create an object with bindings to the native functions defined through
   // RouteFunction().
   virtual v8::Handle<v8::Object> NewInstance() OVERRIDE;
 
   v8::Isolate* GetIsolate() const;
 
  protected:
   typedef base::Callback<void(const v8::FunctionCallbackInfo<v8::Value>&)>
       HandlerFunction;
 
   // Installs a new 'route' from |name| to |handler_function|. This means that
   // NewInstance()s of this ObjectBackedNativeHandler will have a property
   // |name| which will be handled by |handler_function|.
   void RouteFunction(const std::string& name,
                      const HandlerFunction& handler_function);
 
-  ChromeV8Context* context() const { return context_; }
+  ScriptContext* context() const { return context_; }
 
   virtual void Invalidate() OVERRIDE;
 
  private:
   // Callback for RouteFunction which routes the V8 call to the correct
   // base::Bound callback.
   static void Router(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // When RouteFunction is called we create a v8::Object to hold the data we
   // need when handling it in Router() - this is the base::Bound function to
   // route to.
   //
   // We need a v8::Object because it's possible for v8 to outlive the
   // base::Bound function; the lifetime of an ObjectBackedNativeHandler is the
   // lifetime of webkit's involvement with it, not the life of the v8 context.
   // A scenario when v8 will outlive us is if a frame holds onto the
   // contentWindow of an iframe after it's removed.
   //
   // So, we use v8::Objects here to hold that data, effectively refcounting
   // the data. When |this| is destroyed we remove the base::Bound function from
   // the object to indicate that it shoudn't be called.
   typedef v8::PersistentValueVector<v8::Object> RouterData;
   RouterData router_data_;
 
-  ChromeV8Context* context_;
+  ScriptContext* context_;
 
   ScopedPersistent<v8::ObjectTemplate> object_template_;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectBackedNativeHandler);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_RENDERER_EXTENSIONS_OBJECT_BACKED_NATIVE_HANDLER_H_
+#endif  // EXTENSIONS_RENDERER_OBJECT_BACKED_NATIVE_HANDLER_H_