Fix build with disable_nacl=1

chrome/chrome.isolate

 # Copyright (c) 2013 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.
 {
   'conditions': [
     ['OS=="linux"', {
       'variables': {
         'files': [
           '<(PRODUCT_DIR)/libffmpegsumo.so',
           '<(PRODUCT_DIR)/libosmesa.so',
+        ],
+      },
+    }],
+    ['disable_nacl==0 and OS=="linux"', {
+      'variables': {
+        'files': [
           '<(PRODUCT_DIR)/nacl_helper<(EXECUTABLE_SUFFIX)',
           '<(PRODUCT_DIR)/nacl_helper_bootstrap<(EXECUTABLE_SUFFIX)',
-        ],
-      },
+        ]
+      }
     }],
     ['OS=="linux" or OS=="mac" or OS=="win"', {
       'variables': {
         'files': [
           '<(PRODUCT_DIR)/resources.pak',
         ],
       },
     }],
     ['OS=="linux" or OS=="win"', {
       'variables': {
         'command': [
           '<(PRODUCT_DIR)/chrome<(EXECUTABLE_SUFFIX)',
         ],
         'files': [
           '<(PRODUCT_DIR)/chrome<(EXECUTABLE_SUFFIX)',
           '<(PRODUCT_DIR)/chrome_100_percent.pak',
           '<(PRODUCT_DIR)/locales/en-US.pak',
           '<(PRODUCT_DIR)/locales/fr.pak',
           '<(PRODUCT_DIR)/resources/extension/',
         ],
       },
     }],
-    ['OS=="win" or (OS=="linux" and target_arch=="x64")', {
+    ['disable_nacl==0 and '
+         '(OS=="win" or (OS=="linux" and target_arch=="x64"))', {
       'variables': {
         'files': [
           '<(PRODUCT_DIR)/nacl_irt_x86_64.nexe',
         ],
       },
     }],
-    ['OS=="linux" and target_arch=="arm"', {
+    ['disable_nacl==0 and OS=="linux" and target_arch=="arm"', {
       'variables': {
         'files': [
           '<(PRODUCT_DIR)/nacl_irt_arm.nexe',
         ],
       },
     }],
     ['OS=="mac"', {
       'variables': {
         'command': [
           '<(PRODUCT_DIR)/<(mac_product_name).app/Contents/MacOS/<(mac_product_name)',
@@ skipping 16 matching lines @@
           '<(PRODUCT_DIR)/chrome_elf.dll',
           '<(PRODUCT_DIR)/ffmpegsumo.dll',
           '<(PRODUCT_DIR)/libexif.dll',
           '<(PRODUCT_DIR)/osmesa.dll',
         ],
       },
     }],
     ['OS=="win" and target_arch=="ia32"', {
       'variables': {
         'files': [
+          '<(PRODUCT_DIR)/wow_helper.exe',
+        ],
+      },
+    }],
+    ['disable_nacl==0 and OS=="win" and target_arch=="ia32"', {
+      'variables': {
+        'files': [
           '<(PRODUCT_DIR)/nacl64.exe',
           '<(PRODUCT_DIR)/nacl_irt_x86_32.nexe',
-          '<(PRODUCT_DIR)/wow_helper.exe',
         ],
       },
     }],
     ['OS=="win" and component=="static_library"', {
       'variables': {
         'files': [
           '<(PRODUCT_DIR)/chrome_child.dll',
         ],
       },
     }],
   ],
   'includes': [
     'angle.isolate',
   ],
 }