DevTools: remove Console.setTracingBasedTimeline call from startup.

Source/core/inspector/InspectorInstrumentation.idl

 /*
 * Copyright (C) 2013 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 478 matching lines @@
 
     [Timeline]
     void consoleTime([Keep] ExecutionContext* context, const String& title);
 
     [Timeline]
     void consoleTimeEnd([Keep] ExecutionContext* context, const String& title, ScriptState* state);
 
     [Timeline, Inline=FastReturn]
     void consoleTimeStamp([Keep] ExecutionContext* context, const String& title);
 
-    [Console, Inline=FastReturn]
-    void consoleTimeline([Keep] ExecutionContext* context, const String& title, ScriptState* state);
-
-    [Console, Inline=FastReturn]
-    void consoleTimelineEnd([Keep] ExecutionContext* context, const String& title, ScriptState* state);
-
     [Profiler, Inline=FastReturn]
     void consoleProfile([Keep] ExecutionContext* context, const String& title);
 
     [Profiler, Inline=FastReturn]
     void consoleProfileEnd(ExecutionContext* context, const String& title);
 
     [Console]
     void consoleMessagesCleared(FrameHost* frameHost);
 
     [Console]
@@ skipping 15 matching lines @@
 interface InspectorCanvasInstrumentation {
 
 #include "bindings/core/v8/ScriptValue.h"
 
     [Canvas]
     ScriptValue wrapCanvas2DRenderingContextForInstrumentation(Document*, const ScriptValue&);
 
     [Canvas]
     ScriptValue wrapWebGLRenderingContextForInstrumentation(Document*, const ScriptValue&);
 }