bindings: Adds virtual ScriptWrappable::wrap method.

Source/bindings/core/v8/ScriptWrappable.h

Index: Source/bindings/core/v8/ScriptWrappable.h
diff --git a/Source/bindings/core/v8/ScriptWrappable.h b/Source/bindings/core/v8/ScriptWrappable.h
index c3e968b003e8bd7a557e05d88714ff66181108bf..d3825dc401c60da1b829cd5a59f0c637b7cfc3ed 100644
--- a/Source/bindings/core/v8/ScriptWrappable.h
+++ b/Source/bindings/core/v8/ScriptWrappable.h
@@ -148,6 +148,14 @@ public:
         initializeScriptWrappableHelper(object);
     }
 
+    // Returns the WrapperTypeInfo of the instance.
+    //
+    // This method must be overridden by using DEFINE_WRAPPERTYPEINFO macro.

[haraken, 2014/08/29 05:24:04]

by using => by

[Yuki, 2014/09/01 06:06:39]

Done.

[Yuki, 2014/09/01 06:06:39]

Done.

+    virtual const WrapperTypeInfo* wrapperTypeInfo() const = 0;
+
+    // Creates and returns a new wrapper object.
+    virtual v8::Handle<v8::Object> wrap(v8::Handle<v8::Object> creationContext, v8::Isolate*);
+
     void setWrapper(v8::Handle<v8::Object> wrapper, v8::Isolate* isolate, const WrapperConfiguration& configuration)
     {
         ASSERT(!containsWrapper());
@@ -338,6 +346,22 @@ private:
     }
 };
 
+// Defines 'wrapperTypeInfo' virtual method which returns the WrapperTypeInfo of
+// the instance. Also declares a static member of type WrapperTypeInfo, of which
+// the definition is given by the IDL code generator.
+//
+// All the derived classes of ScriptWrappable, regardless of directly or
+// indirectly, must write this macro in the class definition except for the case
+// that the class is NoInterfaceObject.

[haraken, 2014/08/29 05:24:04]

Help me understand: What's the relationship between [NoInterfaceObject] and
DEFINE_WRAPPERTYPEINFO() ?

[Yuki, 2014/09/01 06:06:39]

Added more comment.

+#define DEFINE_WRAPPERTYPEINFO() \
+public: \
+    virtual const WrapperTypeInfo* wrapperTypeInfo() const OVERRIDE \
+    { \
+        return &s_wrapperTypeInfo; \
+    } \
+private: \
+    static const WrapperTypeInfo& s_wrapperTypeInfo
+
 } // namespace blink
 
 #endif // ScriptWrappable_h