bindings: Use Maybe APIs in ScriptPromise

Source/bindings/core/v8/ScriptPromisePropertyBase.h

Index: Source/bindings/core/v8/ScriptPromisePropertyBase.h
diff --git a/Source/bindings/core/v8/ScriptPromisePropertyBase.h b/Source/bindings/core/v8/ScriptPromisePropertyBase.h
index ecef0b305a96cd4d2c2f077a82af54b585801119..3771e6721cb769cca7223e7d2c4c2ad5730588a6 100644
--- a/Source/bindings/core/v8/ScriptPromisePropertyBase.h
+++ b/Source/bindings/core/v8/ScriptPromisePropertyBase.h
@@ -70,6 +70,8 @@ private:
     v8::Handle<v8::String> promiseName();
     v8::Handle<v8::String> resolverName();
 
+    // TODO(bashi): Constructor should take ScriptState and hold it instead of
+    // v8::Isolate*.

[haraken, 2015/03/25 05:08:29]

Yeah, let's fix this in a follow-up. It looks wrong to use a current context in
resolveOrRejectInternal. There is no guarantee that the current context is the
context on which the promise wants to be resolved. (The promise needs to be
resolved on the context from which the promise was created.)

[bashi, 2015/03/25 07:25:32]

Will do.

     v8::Isolate* m_isolate;
     Name m_name;
     State m_state;