Oilpan: have DOMException be on the heap by default.

Source/bindings/core/v8/ScriptPromise.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 138 matching lines @@
 ScriptPromise ScriptPromise::reject(ScriptState* scriptState, v8::Handle<v8::Value> value)
 {
     if (value.IsEmpty())
         return ScriptPromise();
     InternalResolver resolver(scriptState);
     ScriptPromise promise = resolver.promise();
     resolver.reject(value);
     return promise;
 }
 
-ScriptPromise ScriptPromise::rejectWithDOMException(ScriptState* scriptState, PassRefPtrWillBeRawPtr<DOMException> exception)
+ScriptPromise ScriptPromise::rejectWithDOMException(ScriptState* scriptState, DOMException* exception)
 {
     ASSERT(scriptState->isolate()->InContext());
     return reject(scriptState, toV8(exception, scriptState->context()->Global(), scriptState->isolate()));
 }
 
 v8::Local<v8::Promise> ScriptPromise::rejectRaw(ScriptState* scriptState, v8::Handle<v8::Value> value)
 {
     if (value.IsEmpty())
         return v8::Local<v8::Promise>();
     v8::Local<v8::Promise::Resolver> resolver;
     if (!v8::Promise::Resolver::New(scriptState->context()).ToLocal(&resolver))
         return v8::Local<v8::Promise>();
     v8::Local<v8::Promise> promise = resolver->GetPromise();
     resolver->Reject(scriptState->context(), value);
     return promise;
 }
 
 } // namespace blink