Remove all code related to NaCl

gyp/utils.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # Gyp for utils.
 {
   'targets': [
     {
       'target_name': 'utils',
       'product_name': 'skia_utils',
@@ skipping 89 matching lines @@
             '../src/utils/win/SkDWrite.h',
             '../src/utils/win/SkDWrite.cpp',
             '../src/utils/win/SkDWriteFontFileStream.cpp',
             '../src/utils/win/SkDWriteFontFileStream.h',
             '../src/utils/win/SkDWriteGeometrySink.cpp',
             '../src/utils/win/SkDWriteGeometrySink.h',
             '../src/utils/win/SkHRESULT.cpp',
             '../src/utils/win/SkIStream.cpp',
           ],
         }],
-        [ 'skia_os == "nacl"', {
-          'sources': [
-            '../src/utils/SkThreadUtils_pthread_other.cpp',
-          ],
-          'sources!': [
-            '../src/utils/SkThreadUtils_pthread_linux.cpp',
-          ],
-        }],
         ['skia_run_pdfviewer_in_gm', {
           'defines': [
             'SK_BUILD_NATIVE_PDF_RENDERER',
           ],
         }],
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '../include/utils',
           '../src/utils',
@@ skipping 15 matching lines @@
         '../src/utils/android/SkHwuiRenderer.cpp',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '../src/utils/android',
         ],
       },
     },
   ],
 }