Add pyauto tests and helper files for system-level testing of Web SQL Databases.

chrome/test/pyautolib/pyautolib.h

 // Copyright (c) 2010 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.
 //
 // This file declares the C++ side of PyAuto, the python interface to
 // Chromium automation.  It access Chromium's internals using Automation Proxy.
 
 #ifndef CHROME_TEST_PYAUTOLIB_PYAUTOLIB_H_
 #define CHROME_TEST_PYAUTOLIB_PYAUTOLIB_H_
 #pragma once
@@ skipping 40 matching lines @@
   virtual void SetUp();
   virtual void TearDown();
 
   // Navigate to the given URL in the active tab. Blocks until page loaded.
   void NavigateToURL(const char* url_string);
 
   // Navigate to the given URL in given tab in the given window.
   // Blocks until page loaded.
   void NavigateToURL(const char* url_string, int window_index, int tab_index);
 
+  // Reloads the active tab in the given window.
+  // Blocks until page reloaded.
+  void ReloadActiveTab(int window_index = 0);
+
   // Get the URL of the active tab.
   GURL GetActiveTabURL(int window_index = 0);
 
   int GetTabCount(int window_index = 0);
 
   // Appends a new tab with the given URL in the given or first browser window.
   bool AppendTab(const GURL& tab_url, int window_index = 0);
 
   // Activate the tab at the given zero-based index in the given or first
   // browser window.
@@ skipping 110 matching lines @@
   // Enables PostTask to main thread.
   // Should be shared across multiple instances of PyUITestBase so that this
   // class is re-entrant and multiple instances can be created.
   // This is necessary since python's unittest module creates instances of
   // TestCase at load time itself.
   static MessageLoop* GetSharedMessageLoop(MessageLoop::Type msg_loop_type);
   static MessageLoop* message_loop_;
 };
 
 #endif  // CHROME_TEST_PYAUTOLIB_PYAUTOLIB_H_