Rename "test" ozone platform to "headless"

ui/ozone/platform/eglheadless/eglheadless.gypi

 # 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.
 
 {
   'variables': {
     'internal_ozone_platform_deps': [
-      'ozone_platform_egltest',
+      'ozone_platform_eglheadless',
     ],
     'internal_ozone_platforms': [
-      'egltest'
+      'eglheadless'
     ],
   },
   'targets': [
     {
-      'target_name': 'ozone_platform_egltest',
+      'target_name': 'ozone_platform_eglheadless',
       'type': 'static_library',
       'defines': [
         'OZONE_IMPLEMENTATION',
       ],
       'dependencies': [
         '../../base/base.gyp:base',
         '../../third_party/khronos/khronos.gyp:khronos_headers',
         '../events/devices/events_devices.gyp:events_devices',
         '../events/events.gyp:events',
         '../events/ozone/events_ozone.gyp:events_ozone_evdev',
         '../events/ozone/events_ozone.gyp:events_ozone_layout',
         '../events/platform/events_platform.gyp:events_platform',
         '../gfx/gfx.gyp:gfx',
         'eglplatform_shim',
       ],
       'sources': [
-        'client_native_pixmap_factory_egltest.cc',
-        'client_native_pixmap_factory_egltest.h',
-        'ozone_platform_egltest.cc',
-        'ozone_platform_egltest.h',
+        'client_native_pixmap_factory_eglheadless.cc',
+        'client_native_pixmap_factory_eglheadless.h',
+        'ozone_platform_eglheadless.cc',
+        'ozone_platform_eglheadless.h',
       ],
     },
     {
       'target_name': 'eglplatform_shim',
       'type': 'static_library',
       'dependencies': [
         '../../third_party/khronos/khronos.gyp:khronos_headers',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
@@ skipping 17 matching lines @@
           ],
           'outputs': [
             '<(output_h)',
             '<(output_cc)',
           ],
           'action': ['python',
                      '<(generator)',
                      '--name', 'LibeglplatformShimLoader',
                      '--output-h', '<(output_h)',
                      '--output-cc', '<(output_cc)',
-                     '--header', '"ui/ozone/platform/egltest/eglplatform_shim.h"',
+                     '--header', '"ui/ozone/platform/eglheadless/eglplatform_shim.h"',
                      'ShimQueryString',
                      'ShimInitialize',
                      'ShimTerminate',
                      'ShimCreateWindow',
                      'ShimQueryWindow',
                      'ShimDestroyWindow',
                      'ShimGetNativeDisplay',
                      'ShimGetNativeWindow',
                      'ShimReleaseNativeWindow',
           ],
@@ skipping 19 matching lines @@
           ],
           'sources': [
             'eglplatform_shim.h',
             'eglplatform_shim_xeleven.cc',
           ],
         },
       ],
     }],
   ],
 }