Introduce Promise mapping to the IDL generator

Source/bindings/v8/ScriptPromiseResolver.cpp

Index: Source/bindings/v8/ScriptPromiseResolver.cpp
diff --git a/Source/bindings/v8/ScriptPromiseResolver.cpp b/Source/bindings/v8/ScriptPromiseResolver.cpp
index 6d51b49b3b17b58908f15409937f239e3a6e65fb..f21437e63a15f796a52b799ffb3fa9f9829996a7 100644
--- a/Source/bindings/v8/ScriptPromiseResolver.cpp
+++ b/Source/bindings/v8/ScriptPromiseResolver.cpp
@@ -42,14 +42,37 @@
 
 namespace WebCore {
 
-ScriptPromiseResolver::ScriptPromiseResolver(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+ScriptPromiseResolver::ScriptPromiseResolver()
+{
+    ASSERT(RuntimeEnabledFeatures::promiseEnabled());
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();
+    m_isolate = isolate;
+}
+
+ScriptPromiseResolver::ScriptPromiseResolver(ScriptValue resolver)
+    : m_resolver(resolver)
+{
+    ASSERT(RuntimeEnabledFeatures::promiseEnabled());
+    ASSERT(!m_resolver.hasNoValue());
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();
+    m_isolate = isolate;
+}
+
+ScriptPromiseResolver::ScriptPromiseResolver(v8::Handle<v8::Value> resolver, v8::Isolate* isolate)
     : m_isolate(isolate)
+    , m_resolver(resolver)
 {
     ASSERT(RuntimeEnabledFeatures::promiseEnabled());
-    v8::Local<v8::Object> promise, resolver;
-    V8PromiseCustom::createPromise(creationContext, &promise, &resolver, isolate);
-    m_promise.set(isolate, promise);
-    m_resolver.set(isolate, resolver);
+    ASSERT(!m_resolver.hasNoValue());
+}
+
+ScriptPromiseResolver::ScriptPromiseResolver(v8::Handle<v8::Value> resolver, v8::Handle<v8::Value> promise, v8::Isolate* isolate)
+    : m_isolate(isolate)
+    , m_resolver(resolver)
+    , m_promise(promise)
+{
+    ASSERT(RuntimeEnabledFeatures::promiseEnabled());
+    ASSERT(!m_resolver.hasNoValue());
 }
 
 ScriptPromiseResolver::~ScriptPromiseResolver()
@@ -61,19 +84,23 @@ ScriptPromiseResolver::~ScriptPromiseResolver()
     m_resolver.clear();
 }
 
-PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create(ScriptExecutionContext* context)
+ScriptPromiseResolver ScriptPromiseResolver::create(ScriptExecutionContext* context)
 {
     ASSERT(v8::Context::InContext());
     ASSERT(context);
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
-    return adoptRef(new ScriptPromiseResolver(toV8Context(context, DOMWrapperWorld::current())->Global(), isolate));
+    v8::Local<v8::Object> promise, resolver;
+    V8PromiseCustom::createPromise(v8::Handle<v8::Object>(), &promise, &resolver, isolate);
+    return ScriptPromiseResolver(resolver, promise, isolate);
 }
 
-PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create()
+ScriptPromiseResolver ScriptPromiseResolver::create()
 {
     ASSERT(v8::Context::InContext());
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
-    return adoptRef(new ScriptPromiseResolver(v8::Object::New(), isolate));
+    v8::Local<v8::Object> promise, resolver;
+    V8PromiseCustom::createPromise(v8::Handle<v8::Object>(), &promise, &resolver, isolate);
+    return ScriptPromiseResolver(resolver, promise, isolate);
 }
 
 bool ScriptPromiseResolver::isPending() const
@@ -95,7 +122,7 @@ void ScriptPromiseResolver::fulfill(v8::Handle<v8::Value> value)
     ASSERT(v8::Context::InContext());
     if (!isPendingInternal())
         return;
-    V8PromiseCustom::fulfillResolver(m_resolver.newLocal(m_isolate), value, V8PromiseCustom::Asynchronous, m_isolate);
+    V8PromiseCustom::fulfillResolver(m_resolver.v8Value().As<v8::Object>(), value, V8PromiseCustom::Asynchronous, m_isolate);
     m_resolver.clear();
 }
 
@@ -104,7 +131,7 @@ void ScriptPromiseResolver::resolve(v8::Handle<v8::Value> value)
     ASSERT(v8::Context::InContext());
     if (!isPendingInternal())
         return;
-    V8PromiseCustom::resolveResolver(m_resolver.newLocal(m_isolate), value, V8PromiseCustom::Asynchronous, m_isolate);
+    V8PromiseCustom::resolveResolver(m_resolver.v8Value().As<v8::Object>(), value, V8PromiseCustom::Asynchronous, m_isolate);
     m_resolver.clear();
 }
 
@@ -113,7 +140,7 @@ void ScriptPromiseResolver::reject(v8::Handle<v8::Value> value)
     ASSERT(v8::Context::InContext());
     if (!isPendingInternal())
         return;
-    V8PromiseCustom::rejectResolver(m_resolver.newLocal(m_isolate), value, V8PromiseCustom::Asynchronous, m_isolate);
+    V8PromiseCustom::rejectResolver(m_resolver.v8Value().As<v8::Object>(), value, V8PromiseCustom::Asynchronous, m_isolate);
     m_resolver.clear();
 }
 
@@ -138,9 +165,11 @@ void ScriptPromiseResolver::reject(ScriptValue value)
 bool ScriptPromiseResolver::isPendingInternal() const
 {
     ASSERT(v8::Context::InContext());
-    if (m_resolver.isEmpty())
+    if (m_resolver.hasNoValue())
+        return false;
+    if (!m_resolver.isObject())
         return false;
-    v8::Local<v8::Object> resolver = m_resolver.newLocal(m_isolate);
+    v8::Local<v8::Object> resolver = m_resolver.v8Value().As<v8::Object>();
     if (V8PromiseCustom::isInternalDetached(resolver))
         return false;
     v8::Local<v8::Object> internal = V8PromiseCustom::getInternal(resolver);