Send screenshots back to the client for debugging

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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.
 
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
@@ skipping 763 matching lines @@
         'test/webdriver/commands/find_element_commands.h',
         'test/webdriver/commands/find_element_commands.cc',
         'test/webdriver/commands/implicit_wait_command.h',
         'test/webdriver/commands/implicit_wait_command.cc',
         'test/webdriver/commands/navigate_commands.h',
         'test/webdriver/commands/navigate_commands.cc',
         'test/webdriver/commands/mouse_commands.h',
         'test/webdriver/commands/mouse_commands.cc',
         'test/webdriver/commands/response.cc',
         'test/webdriver/commands/response.h',
+        'test/webdriver/commands/screenshot_command.h',
+        'test/webdriver/commands/screenshot_command.cc',
         'test/webdriver/commands/session_with_id.h',
         'test/webdriver/commands/session_with_id.cc',
         'test/webdriver/commands/source_command.h',
         'test/webdriver/commands/source_command.cc',
         'test/webdriver/commands/speed_command.h',
         'test/webdriver/commands/speed_command.cc',
         'test/webdriver/commands/target_locator_commands.h',
         'test/webdriver/commands/target_locator_commands.cc',
         'test/webdriver/commands/title_command.h',
         'test/webdriver/commands/title_command.cc',
@@ skipping 2981 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: