Move fromJSONString to V8Binding

third_party/WebKit/Source/bindings/core/v8/JSONValuesForV8.cpp

-// Copyright 2016 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/JSONValuesForV8.h"
-
-#include "bindings/core/v8/ExceptionState.h"
-#include "bindings/core/v8/ScriptState.h"
-#include "bindings/core/v8/V8Binding.h"
-
-namespace blink {
-
-v8::Local<v8::Value> fromJSONString(ScriptState* scriptState,
-                                    const String& stringifiedJSON,
-                                    ExceptionState& exceptionState) {
-  v8::Isolate* isolate = scriptState->isolate();
-  v8::Local<v8::Value> parsed;
-  v8::TryCatch tryCatch(isolate);
-  if (!v8Call(v8::JSON::Parse(isolate, v8String(isolate, stringifiedJSON)),
-              parsed, tryCatch)) {
-    if (tryCatch.HasCaught())
-      exceptionState.rethrowV8Exception(tryCatch.Exception());
-  }
-
-  return parsed;
-}
-
-}  // namespace blink