command_buffer: Avoid uninitialized read in ShaderTranslatorCache

gpu/gpu.gyp

 # 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.
 
 {
   'variables': {
     'nacl_win64_target': 0,
   },
   'includes': [
     'gpu_common.gypi',
@@ skipping 231 matching lines @@
         'command_buffer/service/mailbox_manager_unittest.cc',
         'command_buffer/service/memory_program_cache_unittest.cc',
         'command_buffer/service/mocks.cc',
         'command_buffer/service/mocks.h',
         'command_buffer/service/program_manager_unittest.cc',
         'command_buffer/service/query_manager_unittest.cc',
         'command_buffer/service/renderbuffer_manager_unittest.cc',
         'command_buffer/service/program_cache_unittest.cc',
         'command_buffer/service/shader_manager_unittest.cc',
         'command_buffer/service/shader_translator_unittest.cc',
+        'command_buffer/service/shader_translator_cache_unittest.cc',
         'command_buffer/service/test_helper.cc',
         'command_buffer/service/test_helper.h',
         'command_buffer/service/texture_manager_unittest.cc',
         'command_buffer/service/transfer_buffer_manager_unittest.cc',
         'command_buffer/service/valuebuffer_manager_unittest.cc',
         'command_buffer/service/vertex_attrib_manager_unittest.cc',
         'command_buffer/service/vertex_array_manager_unittest.cc',
         'command_buffer/service/gpu_tracer_unittest.cc',
         'config/gpu_blacklist_unittest.cc',
         'config/gpu_control_list_entry_unittest.cc',
@@ skipping 388 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'gpu_unittests',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }