Remove NaCl support.

gypfiles/toolchain.gypi

 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 24 matching lines @@
     'lsan%': 0,
     'msan%': 0,
     'tsan%': 0,
     'ubsan%': 0,
     'ubsan_vptr%': 0,
     'has_valgrind%': 0,
     'coverage%': 0,
     'v8_target_arch%': '<(target_arch)',
     'v8_host_byteorder%': '<!(python -c "import sys; print sys.byteorder")',
     'force_dynamic_crt%': 0,
-    # Native Client builds currently use the V8 ARM JIT and
-    # arm/simulator-arm.cc to defer the significant effort required
-    # for NaCl JIT support. The nacl_target_arch variable provides
-    # the 'true' target arch for places in this file that need it.
-    # TODO(bradchen): get rid of nacl_target_arch when someday
-    # NaCl V8 builds stop using the ARM simulator
-    'nacl_target_arch%': 'none',     # must be set externally
 
     # Setting 'v8_can_use_vfp32dregs' to 'true' will cause V8 to use the VFP
     # registers d16-d31 in the generated code, both in the snapshot and for the
     # ARM target. Leaving the default value of 'false' will avoid the use of
     # these registers in the snapshot and use CPU feature probing when running
     # on the target.
     'v8_can_use_vfp32dregs%': 'false',
     'arm_test_noprobe%': 'off',
 
     # Similar to vfp but on MIPS.
@@ skipping 960 matching lines @@
                   }],
                 ],
               }],
             ],
             'xcode_settings': {
               'ARCHS': [ 'i386' ],
             },
           }],
           ['_toolset=="target"', {
             'conditions': [
-              ['target_cxx_is_biarch==1 and nacl_target_arch!="nacl_x64"', {
+              ['target_cxx_is_biarch==1', {
                 'conditions': [
                   ['host_arch=="s390" or host_arch=="s390x"', {
                     'cflags': [ '-m31' ],
                     'ldflags': [ '-m31' ]
                   },{
                    'cflags': [ '-m32' ],
                    'ldflags': [ '-m32' ],
                   }],
                 ],
               }],
@@ skipping 142 matching lines @@
             'cflags!': [
               '-O0',
               '-O1',
               '-Os',
             ],
             'cflags': [
               '-fdata-sections',
               '-ffunction-sections',
             ],
             'conditions': [
-              # TODO(crbug.com/272548): Avoid -O3 in NaCl
               # Don't use -O3 with sanitizers.
-              ['nacl_target_arch=="none" and asan==0 and msan==0 and lsan==0 \
+              ['asan==0 and msan==0 and lsan==0 \
                 and tsan==0 and ubsan==0 and ubsan_vptr==0', {
                 'cflags': ['-O3'],
                 'cflags!': ['-O2'],
                 }, {
                 'cflags': ['-O2'],
                 'cflags!': ['-O3'],
               }],
             ],
           }],
           ['OS=="mac"', {
@@ skipping 96 matching lines @@
             or OS=="aix"', {
             'cflags!': [
               '-Os',
             ],
             'cflags': [
               '-fdata-sections',
               '-ffunction-sections',
               '<(wno_array_bounds)',
             ],
             'conditions': [
-              # TODO(crbug.com/272548): Avoid -O3 in NaCl
               # Don't use -O3 with sanitizers.
-              ['nacl_target_arch=="none" and asan==0 and msan==0 and lsan==0 \
+              ['asan==0 and msan==0 and lsan==0 \
                 and tsan==0 and ubsan==0 and ubsan_vptr==0', {
                 'cflags': ['-O3'],
                 'cflags!': ['-O2'],
               }, {
                 'cflags': ['-O2'],
                 'cflags!': ['-O3'],
               }],
             ],
           }],
           ['OS=="android"', {
@@ skipping 65 matching lines @@
             ],
           },
           'Release_x64': {
             'inherit_from': ['ReleaseBase'],
           },
         }],
       ],
     },  # configurations
   },  # target_defaults
 }