Only populate line number in case parsing synchronously.

Source/core/inspector/ConsoleMessage.cpp

 // Copyright 2014 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 "config.h"
 #include "core/inspector/ConsoleMessage.h"
 
 #include "bindings/core/v8/ScriptCallStackFactory.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "core/inspector/ScriptArguments.h"
@@ skipping 11 matching lines @@
     : m_source(source)
     , m_level(level)
     , m_type(LogMessageType)
     , m_message(message)
     , m_scriptId(0)
     , m_url(url)
     , m_lineNumber(lineNumber)
     , m_columnNumber(columnNumber)
     , m_requestIdentifier(0)
     , m_timestamp(WTF::currentTime())
-    , m_async(false)
     , m_workerProxy(nullptr)
 {
 }
 
 ConsoleMessage::~ConsoleMessage()
 {
 }
 
 MessageType ConsoleMessage::type() const
 {
@@ skipping 86 matching lines @@
 double ConsoleMessage::timestamp() const
 {
     return m_timestamp;
 }
 
 void ConsoleMessage::setTimestamp(double timestamp)
 {
     m_timestamp = timestamp;
 }
 
-bool ConsoleMessage::isAsync() const
-{
-    return m_async;
-}
-
-void ConsoleMessage::markAsAsync()
-{
-    m_async = true;
-}
-
 MessageSource ConsoleMessage::source() const
 {
     return m_source;
 }
 
 MessageLevel ConsoleMessage::level() const
 {
     return m_level;
 }
 
@@ skipping 47 matching lines @@
     m_callStack.clear();
 }
 
 void ConsoleMessage::trace(Visitor* visitor)
 {
     visitor->trace(m_callStack);
     visitor->trace(m_scriptArguments);
 }
 
 } // namespace blink