Adding checks for V8 functions returning Maybe<bool>

third_party/WebKit/Source/bindings/core/v8/ScriptPromisePropertyBase.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "bindings/core/v8/ScriptPromisePropertyBase.h"
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8HiddenValue.h"
@@ skipping 95 matching lines @@
 }
 
 void ScriptPromisePropertyBase::resolveOrRejectInternal(v8::Local<v8::Promise::Resolver> resolver)
 {
     v8::Local<v8::Context> context = resolver->CreationContext();
     switch (m_state) {
     case Pending:
         ASSERT_NOT_REACHED();
         break;
     case Resolved:
-        resolver->Resolve(context, resolvedValue(m_isolate, context->Global()));
+        if (resolver->Resolve(context, resolvedValue(m_isolate, context->Global())).IsNothing()) {
+            // TODO: What action, if any, should be taken here?
+        }
         break;
     case Rejected:
-        resolver->Reject(context, rejectedValue(m_isolate, context->Global()));
+        if (resolver->Reject(context, rejectedValue(m_isolate, context->Global())).IsNothing()) {
+            // TODO: What action, if any, should be taken here?
+        }
         break;
     }
 }
 
 v8::Local<v8::Object> ScriptPromisePropertyBase::ensureHolderWrapper(ScriptState* scriptState)
 {
     v8::Local<v8::Context> context = scriptState->context();
     size_t i = 0;
     while (i < m_wrappers.size()) {
         const std::unique_ptr<ScopedPersistent<v8::Object>>& persistent = m_wrappers[i];
@@ skipping 75 matching lines @@
     ASSERT_NOT_REACHED();
     return v8::Local<v8::String>();
 }
 
 DEFINE_TRACE(ScriptPromisePropertyBase)
 {
     ContextLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink