Remove pyauto tests.

chrome/test/functional/tracing/timeline_model_shim.js

-// Copyright (c) 2012 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.
-
-function TimelineModelShim() {
-  tracing.TimelineModel.apply(this, arguments);
-}
-
-TimelineModelShim.prototype = {
-  __proto__: tracing.TimelineModel.prototype,
-
-  invokeMethod: function(methodName, args) {
-    var sendToPython = function(obj) {
-      // We use sendJSON here because domAutomationController's send() chokes on
-      // large amounts of data. Inside of send() it converts the arg to JSON and
-      // invokes sendJSON. The JSON conversion is what fails. This way works
-      // around the bad code, but note that the recieving python converts from
-      // JSON before passing it back to the pyauto test.
-      window.domAutomationController.sendJSON(
-          JSON.stringify(obj)
-      );
-    };
-    var result;
-    try {
-      result = this[methodName].apply(this, JSON.parse(args));
-    } catch( e ) {
-      var ret = {
-        success: false,
-        message: 'Unspecified error',
-      };
-      // We'll try sending the entire exception. If that doesn't work, it's ok.
-      try {
-        ret.exception = JSON.stringify(e);
-      } catch(e2) {}
-      if( typeof(e) == 'string' || e instanceof String ) {
-        ret.message = e;
-      } else {
-        if( e.stack != undefined ) ret.stack = e.stack;
-        if( e.message != undefined ) ret.message = e.message;
-      }
-      sendToPython(ret);
-      throw e;
-    }
-    sendToPython({
-      success: true,
-      data: result
-    });
-  }
-},
-
-// This causes the PyAuto ExecuteJavascript call which executed this file to
-// return.
-window.domAutomationController.send('');