[DevTools] Always send a copy of worker message through the page.

third_party/WebKit/Source/platform/v8_inspector/public/V8ConsoleTypes.h

 // 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.
 
 #ifndef V8ConsoleTypes_h
 #define V8ConsoleTypes_h
 
 namespace blink {
 
 enum MessageSource {
     XMLMessageSource,
     JSMessageSource,
     NetworkMessageSource,
     ConsoleAPIMessageSource,
     StorageMessageSource,
     AppCacheMessageSource,
     RenderingMessageSource,
     SecurityMessageSource,
     OtherMessageSource,
     DeprecationMessageSource,
+    WorkerMessageSource
 };
 
 enum MessageLevel {
     DebugMessageLevel = 4,
     LogMessageLevel = 1,
     InfoMessageLevel = 5,
     WarningMessageLevel = 2,
     ErrorMessageLevel = 3
 };
 
 // TODO(dgozman): move from public to private.
 enum MessageType {
     LogMessageType = 1,
     DirMessageType,
     DirXMLMessageType,
     TableMessageType,
     TraceMessageType,
     StartGroupMessageType,
     StartGroupCollapsedMessageType,
     EndGroupMessageType,
     ClearMessageType,
     AssertMessageType,
     TimeEndMessageType,
     CountMessageType
 };
 
 }
 
 #endif // !defined(V8ConsoleTypes_h)