Update from https://crrev.com/317530

gpu/BUILD.gn

 # Copyright 2014 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.
 
 # GYP-to-GN project mappings:
 #
 #  gpu.gyp:command_buffer_client => //gpu/command_buffer/client
 #
 #  gpu.gyp:command_buffer_common => //gpu/command_buffer/common
 #
@@ skipping 79 matching lines @@
       "command_buffer/tests/gl_texture_mailbox_unittest.cc",
       "command_buffer/tests/gl_texture_storage_unittest.cc",
       "command_buffer/tests/gl_unittest.cc",
       "command_buffer/tests/gl_unittests_android.cc",
       "command_buffer/tests/gl_virtual_contexts_unittest.cc",
       "command_buffer/tests/occlusion_query_unittest.cc",
     ]
 
     defines = [ "GL_GLEXT_PROTOTYPES" ]
 
+    configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
     deps = [
       ":gpu",
       ":test_support",
       "//base",
       "//base/test:test_support",
       "//base/third_party/dynamic_annotations",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/angle:translator",
       "//ui/gfx",
@@ skipping 109 matching lines @@
       "config/gpu_control_list_unittest.cc",
       "config/gpu_control_list_version_info_unittest.cc",
       "config/gpu_driver_bug_list_unittest.cc",
       "config/gpu_info_collector_unittest.cc",
       "config/gpu_info_unittest.cc",
       "config/gpu_test_config_unittest.cc",
       "config/gpu_test_expectations_parser_unittest.cc",
       "config/gpu_util_unittest.cc",
     ]
 
+    configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
     deps = [
       ":gpu",
       ":test_support",
       "//base",
       "//base/test:test_support",
       "//base/third_party/dynamic_annotations",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/angle:translator",
       "//ui/gfx",
@@ skipping 32 matching lines @@
     deps = [
       "//base",
       "//base/test:test_support",
       "//base/third_party/dynamic_annotations",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/angle:translator_static",
     ]
   }
 }