Move fromJSONString to V8Binding

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 986 matching lines @@
 
 v8::Local<v8::Value> freezeV8Object(v8::Local<v8::Value> value,
                                     v8::Isolate* isolate) {
   value.As<v8::Object>()
       ->SetIntegrityLevel(isolate->GetCurrentContext(),
                           v8::IntegrityLevel::kFrozen)
       .ToChecked();
   return value;
 }
 
+v8::Local<v8::Value> fromJSONString(v8::Isolate* isolate,
+                                    const String& stringifiedJSON,
+                                    ExceptionState& exceptionState) {
+  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