DevTools: always use 16bit strings for inspector protocol.

third_party/WebKit/Source/platform/v8_inspector/InjectedScript.cpp

 /*
  * Copyright (C) 2012 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 429 matching lines @@
         return nullptr;
     }
 
     bool hadException = false;
     v8::Local<v8::Value> resultValue = callFunctionWithEvalEnabled(function, hadException);
 
     ASSERT(!hadException);
     if (!hadException) {
         result = toProtocolValue(function.context(), resultValue);
         if (!result)
-            result = protocol::StringValue::create("Object has too long reference chain(must not be longer than " + String16::number(protocol::Value::maxDepth) + ")");
+            result = protocol::StringValue::create("Object has too long reference chain");
     } else {
         result = protocol::StringValue::create("Exception while making a call.");
     }
     return result.release();
 }
 
 PassOwnPtr<protocol::Runtime::RemoteObject> InjectedScript::makeEvalCall(ErrorString* errorString, V8FunctionCall& function, Maybe<bool>* wasThrown, Maybe<protocol::Runtime::ExceptionDetails>* exceptionDetails)
 {
     OwnPtr<protocol::Value> result = makeCall(function);
     if (!result) {
@@ skipping 33 matching lines @@
     v8::Context::Scope scope(context());
     v8::TryCatch tryCatch(m_isolate);
     v8::Local<v8::Value> resultValue = function.callWithoutExceptionHandling();
     if (tryCatch.HasCaught()) {
         v8::Local<v8::Message> message = tryCatch.Message();
         String16 text = !message.IsEmpty() ? toProtocolStringWithTypeCheck(message->Get()) : "Internal error";
         *exceptionDetails = protocol::Runtime::ExceptionDetails::create().setText(text).build();
     } else {
         result = toProtocolValue(function.context(), resultValue);
         if (!result)
-            result = protocol::StringValue::create("Object has too long reference chain(must not be longer than " + String16::number(protocol::Value::maxDepth) + ")");
+            result = protocol::StringValue::create("Object has too long reference chain");
     }
     return result.release();
 }
 
 void InjectedScript::dispose()
 {
     m_manager->discardInjectedScript(m_contextId);
 }
 
 } // namespace blink