[Bindings] Cache handles for dictionary keys on V8PerIsolateData.

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp
index 7dc20bc729e15957d9f97a2a9020582cff3eccf0..cca2fb79f10e4bec3e02ff1fad4d3d859315f144 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp
@@ -18,6 +18,14 @@
 
 namespace blink {
 
+static const v8::Eternal<v8::Name>* eternalV8TestInterfaceEventInitKeys(v8::Isolate* isolate) {
+  static const char* const kKeys[] = {
+    "stringMember",
+  };
+  return V8PerIsolateData::from(isolate)->findOrCreateKeys(
+      kKeys, kKeys, WTF_ARRAY_LENGTH(kKeys));
+}
+
 void V8TestInterfaceEventInit::toImpl(v8::Isolate* isolate, v8::Local<v8::Value> v8Value, TestInterfaceEventInit& impl, ExceptionState& exceptionState) {
   if (isUndefinedOrNull(v8Value)) {
     return;
@@ -33,9 +41,11 @@ void V8TestInterfaceEventInit::toImpl(v8::Isolate* isolate, v8::Local<v8::Value>
   if (exceptionState.hadException())
     return;
 
+  const v8::Eternal<v8::Name>* keys = eternalV8TestInterfaceEventInitKeys(isolate);
   v8::TryCatch block(isolate);
+  v8::Local<v8::Context> context = isolate->GetCurrentContext();
   v8::Local<v8::Value> stringMemberValue;
-  if (!v8Object->Get(isolate->GetCurrentContext(), v8AtomicString(isolate, "stringMember")).ToLocal(&stringMemberValue)) {
+  if (!v8Object->Get(context, keys[0].Get(isolate)).ToLocal(&stringMemberValue)) {
     exceptionState.rethrowV8Exception(block.Exception());
     return;
   }
@@ -60,8 +70,10 @@ bool toV8TestInterfaceEventInit(const TestInterfaceEventInit& impl, v8::Local<v8
   if (!toV8EventInit(impl, dictionary, creationContext, isolate))
     return false;
 
+  const v8::Eternal<v8::Name>* keys = eternalV8TestInterfaceEventInitKeys(isolate);
+  v8::Local<v8::Context> context = isolate->GetCurrentContext();
   if (impl.hasStringMember()) {
-    if (!v8CallBoolean(dictionary->CreateDataProperty(isolate->GetCurrentContext(), v8AtomicString(isolate, "stringMember"), v8String(isolate, impl.stringMember()))))
+    if (!v8CallBoolean(dictionary->CreateDataProperty(context, keys[0].Get(isolate), v8String(isolate, impl.stringMember()))))
       return false;
   }