WIP bindings: Add support for the record<K,V> WebIDL type.

third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 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 879 matching lines @@
     exceptionState.rethrowV8Exception(block.Exception());
     return v8::Local<v8::Object>();
   }
   if (!iterator->IsObject()) {
     exceptionState.throwTypeError("Iterator is not an object.");
     return v8::Local<v8::Object>();
   }
   return iterator.As<v8::Object>();
 }
 
+v8::MaybeLocal<v8::String> getStringValueInArray(v8::Local<v8::Context> context,
+                                                 v8::Local<v8::Array> array,
+                                                 uint32_t index) {
+  v8::Local<v8::Value> value;
+  if (!array->Get(context, index).ToLocal(&value))
+    return v8::MaybeLocal<v8::String>();
+  return value->ToString(context);
+}
+
+bool isPropertyEnumerable(v8::Isolate* isolate,
+                          v8::Local<v8::Value> descriptor,
+                          ExceptionState& exceptionState) {
+  if (descriptor->IsUndefined())
+    return false;
+  if (!descriptor->IsObject())
+    return false;
+  v8::Local<v8::Value> enumerable;
+  if (!v8::Local<v8::Object>::Cast(descriptor)
+           ->Get(isolate->GetCurrentContext(), v8String(isolate, "enumerable"))
+           .ToLocal(&enumerable))
+    return false;
+  return toBoolean(isolate, enumerable, exceptionState);
+}
+
 bool addHiddenValueToArray(v8::Isolate* isolate,
                            v8::Local<v8::Object> object,
                            v8::Local<v8::Value> value,
                            int arrayIndex) {
   ASSERT(!value.IsEmpty());
   v8::Local<v8::Value> arrayValue = object->GetInternalField(arrayIndex);
   if (arrayValue->IsNull() || arrayValue->IsUndefined()) {
     arrayValue = v8::Array::New(isolate);
     object->SetInternalField(arrayIndex, arrayValue);
   }
@@ skipping 71 matching lines @@
   if (!v8Call(v8::JSON::Parse(isolate, v8String(isolate, stringifiedJSON)),
               parsed, tryCatch)) {
     if (tryCatch.HasCaught())
       exceptionState.rethrowV8Exception(tryCatch.Exception());
   }
 
   return parsed;
 }
 
 }  // namespace blink