Added WebGL conformance test expectation script.

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 3529 matching lines @@
       ],
       # hard_dependency is necessary for this target because it has actions
       # that generate a header file included by dependent targets. The header
       # file must be generated before the dependents are compiled. The usual
       # semantics are to allow the two targets to build concurrently.
       'hard_dependency': 1,
       'actions': [
         {
           'action_name': 'generate_webgl_conformance_test_list',
           'inputs': [
+            'test/gpu/webgl_conformance_test_expectations.txt',
             'test/gpu/generate_webgl_conformance_test_list.py',
             '<!@(python test/gpu/generate_webgl_conformance_test_list.py --input)',
           ],
           'outputs': [
             '<(test_list_out_dir)/webgl_conformance_test_list_autogen.h',
           ],
           'action': [
             'python',
             'test/gpu/generate_webgl_conformance_test_list.py',
             '<(test_list_out_dir)/webgl_conformance_test_list_autogen.h',
@@ skipping 577 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }