Add text autosizing override in the inspector.

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 476 matching lines @@
 
     [Worker, Inline=FastReturn]
     bool shouldPauseDedicatedWorkerOnStart(ExecutionContext* context);
 
     [Page, Inline=FastReturn]
     GeolocationPosition* overrideGeolocationPosition(Page* page, [DefaultReturn] GeolocationPosition* position);
 
     [Page, Inline=FastReturn]
     DeviceOrientationData* overrideDeviceOrientation(Page* page, [DefaultReturn] DeviceOrientationData* deviceOrientation);
 
+    [Page, Inline=FastReturn]
+    bool overrideTextAutosizing(Page* page, bool textAutosizing);
+
     [Profiler]
     String getCurrentUserInitiatedProfileName(ExecutionContext* context, bool incrementProfileNumber);
 }
 
 
 interface InspectorCanvasInstrumentation {
 
 #include "bindings/v8/ScriptObject.h"
 
     [Canvas]
     ScriptObject wrapCanvas2DRenderingContextForInstrumentation(Document*, const ScriptObject&);
 
     [Canvas]
     ScriptObject wrapWebGLRenderingContextForInstrumentation(Document*, const ScriptObject&);
 }