Revert of DevTools: allow storing devtools preferences on the browser side. [blink]

Source/devtools/front_end/host/InspectorFrontendHost.js

Index: Source/devtools/front_end/host/InspectorFrontendHost.js
diff --git a/Source/devtools/front_end/host/InspectorFrontendHost.js b/Source/devtools/front_end/host/InspectorFrontendHost.js
index 922cc7f36c636d16a659fc7e49d98a781783c082..f1f88a8e806a4901a66bb37daa6407bc53312baa 100644
--- a/Source/devtools/front_end/host/InspectorFrontendHost.js
+++ b/Source/devtools/front_end/host/InspectorFrontendHost.js
@@ -207,24 +207,6 @@
     loadNetworkResource: function(url, headers, streamId, callback) { },
 
     /**
-     * @param {function(!Object<string, string>)} callback
-     */
-    getPreferences: function(callback) { },
-
-    /**
-     * @param {string} name
-     * @param {string} value
-     */
-    setPreference: function(name, value) { },
-
-    /**
-     * @param {string} name
-     */
-    removePreference: function(name) { },
-
-    clearPreferences: function() { },
-
-    /**
      * @param {!FileSystem} fileSystem
      */
     upgradeDraggedFileSystemPermissions: function(fileSystem) { },
@@ -516,45 +498,6 @@
     loadNetworkResource: function(url, headers, streamId, callback)
     {
         callback({statusCode : 404});
-    },
-
-    /**
-     * @override
-     * @param {function(!Object<string, string>)} callback
-     */
-    getPreferences: function(callback)
-    {
-        var prefs = {};
-        for (var name in window.localStorage)
-            prefs[name] = window.localStorage[name];
-        callback(prefs);
-    },
-
-    /**
-     * @override
-     * @param {string} name
-     * @param {string} value
-     */
-    setPreference: function(name, value)
-    {
-        window.localStorage[name] = value;
-    },
-
-    /**
-     * @override
-     * @param {string} name
-     */
-    removePreference: function(name)
-    {
-        delete window.localStorage[name];
-    },
-
-    /**
-     * @override
-     */
-    clearPreferences: function()
-    {
-        window.localStorage.clear();
     },
 
     /**