Remove all code related to NaCl

gyp/freetype.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.
 # Target for building freetype.
 {
   'targets': [
     {
       'target_name': 'freetype',
       'type': 'none',
       'conditions': [
         [ 'skia_freetype_static',
           {
             'dependencies': [
               'freetype_static'
             ],
             'export_dependent_settings': [
               'freetype_static'
             ],
             'conditions': [
-              [ 'skia_os in ["android", "nacl"]',
+              [ 'skia_os == "android"',
                 {
                   'direct_dependent_settings': {
                     'defines': [
-                      # Both Android and NaCl provide at least FreeType 2.4.0
+                      # Android provides at least FreeType 2.4.0
                       'SK_FONTHOST_FREETYPE_RUNTIME_VERSION=0x020400',
                       'SK_CAN_USE_DLOPEN=0',
                     ],
                   }
                 }
               ]
             ],
           }, { # (not skia_freetype_static)
             # dynamic linking depends on the OS:
             'conditions': [
@@ skipping 71 matching lines @@
             '-DPIC',
             '-DDARWIN_NO_CARBON',
             '-DFT2_BUILD_LIBRARY',
             '-O2',
           ],
         }],
       ],
     },
   ],
 }