Add text autosizing override in the inspector.

Source/devtools/front_end/OverridesView.js

 /*
  * 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 57 matching lines @@
             blockElement.appendChild(contentElements[i]);
     }
 
     this.containerElement = topContainer;
     appendBlock([this._createUserAgentControl()]);
     appendBlock([this._createDeviceMetricsControl()]);
     appendBlock([this._createGeolocationOverrideControl()]);
     appendBlock([this._createDeviceOrientationOverrideControl()]);
     appendBlock([WebInspector.SettingsTab.createSettingCheckbox(WebInspector.UIString("Emulate touch events"), WebInspector.settings.emulateTouchEvents)]);
     appendBlock([this._createMediaEmulationElement()]);
+    appendBlock([this._createTextAutosizingOverrideControl()]);
     this._setOverridesActive(enableCheckbox.checked);
 
     this._statusElement = document.createElement("span");
     this._statusElement.textContent = WebInspector.UIString("Overrides");
 }
 
 WebInspector.OverridesView.showInDrawer = function()
 {
     if (!WebInspector.OverridesView._view)
         WebInspector.OverridesView._view = new WebInspector.OverridesView();
@@ skipping 492 matching lines @@
         mediaSelectElement.addEventListener("change", this._emulateMediaChanged.bind(this, mediaSelectElement), false);
         return checkbox;
     },
 
     _emulateMediaChanged: function(select)
     {
         var media = select.options[select.selectedIndex].value;
         WebInspector.settings.emulatedCSSMedia.set(media);
     },
 
+    _createTextAutosizingOverrideControl: function()
+    {
+        var overrideCheckbox = WebInspector.SettingsTab.createSettingCheckbox(WebInspector.UIString("Override text autosizing"), WebInspector.settings.overrideTextAutosizing);
+        var fieldsetElement = WebInspector.SettingsTab.createSettingFieldset(WebInspector.settings.overrideTextAutosizing);
+        overrideCheckbox.appendChild(fieldsetElement);
+
+        var enableTextAutosizingCheckbox = WebInspector.SettingsTab.createSettingCheckbox(WebInspector.UIString("Enable text autosizing"), WebInspector.settings.enableTextAutosizing);
+        fieldsetElement.appendChild(enableTextAutosizingCheckbox);
+
+        enableTextAutosizingCheckbox.addEventListener("change", this._enableTextAutosizingChanged.bind(this, enableTextAutosizingCheckbox.checked), false);
+        return overrideCheckbox;
+    },
+
+    _enableTextAutosizingChanged: function(enable)
+    {
+        WebInspector.settings.enableTextAutosizing.set(enable);
+    },
+
     __proto__: WebInspector.View.prototype
 }