Remove the Promises old implementation.

Source/bindings/v8/ScriptPromiseResolver.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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "bindings/v8/ScriptPromiseResolver.h"
 
-#include "RuntimeEnabledFeatures.h"
 #include "bindings/v8/ScriptValue.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8DOMWrapper.h"
-#include "bindings/v8/custom/V8PromiseCustom.h"
 
 #include <v8.h>
 
 namespace WebCore {
 
 ScriptPromiseResolver::ScriptPromiseResolver(ScriptState* scriptState)
     : m_scriptState(scriptState)
 {
     v8::Isolate* isolate = m_scriptState->isolate();
     ASSERT(!m_scriptState->contextIsEmpty());
     ASSERT(isolate->InContext());
-    if (RuntimeEnabledFeatures::scriptPromiseOnV8PromiseEnabled()) {
-        m_resolver = ScriptValue(scriptState, v8::Promise::Resolver::New(isolate));
-    } else {
-        m_promise = ScriptPromise(scriptState, V8PromiseCustom::createPromise(m_scriptState->context()->Global(), isolate));
-    }
+    m_resolver = ScriptValue(scriptState, v8::Promise::Resolver::New(isolate));
 }
 
 ScriptPromiseResolver::~ScriptPromiseResolver()
 {
     // We don't call "reject" here because it requires a caller
     // to be in a v8 context.
 
-    m_promise.clear();
     m_resolver.clear();
 }
 
 ScriptPromise ScriptPromiseResolver::promise()
 {
     ASSERT(!m_scriptState->contextIsEmpty());
     ASSERT(m_scriptState->isolate()->InContext());
     if (!m_resolver.isEmpty()) {
         v8::Local<v8::Promise::Resolver> v8Resolver = m_resolver.v8Value().As<v8::Promise::Resolver>();
         return ScriptPromise(m_scriptState.get(), v8Resolver->GetPromise());
     }
-    return m_promise;
+    return ScriptPromise();
 }
 
 PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create(ScriptState* scriptState)
 {
     ASSERT(scriptState->isolate()->InContext());
     return adoptRef(new ScriptPromiseResolver(scriptState));
 }
 
 void ScriptPromiseResolver::resolve(v8::Handle<v8::Value> value)
 {
     ASSERT(m_scriptState->isolate()->InContext());
     if (!m_resolver.isEmpty()) {
         m_resolver.v8Value().As<v8::Promise::Resolver>()->Resolve(value);
-    } else if (!m_promise.isEmpty()) {
-        v8::Local<v8::Object> promise = m_promise.v8Value().As<v8::Object>();
-        ASSERT(V8PromiseCustom::isPromise(promise, m_scriptState->isolate()));
-        V8PromiseCustom::resolve(promise, value, m_scriptState->isolate());
     }
-    m_promise.clear();
     m_resolver.clear();
 }
 
 void ScriptPromiseResolver::reject(v8::Handle<v8::Value> value)
 {
     ASSERT(m_scriptState->isolate()->InContext());
     if (!m_resolver.isEmpty()) {
         m_resolver.v8Value().As<v8::Promise::Resolver>()->Reject(value);
-    } else if (!m_promise.isEmpty()) {
-        v8::Local<v8::Object> promise = m_promise.v8Value().As<v8::Object>();
-        ASSERT(V8PromiseCustom::isPromise(promise, m_scriptState->isolate()));
-        V8PromiseCustom::reject(promise, value, m_scriptState->isolate());
     }
-    m_promise.clear();
     m_resolver.clear();
 }
 
 } // namespace WebCore