Non-SFI mode: Enable PnaclTransitional Non-SFI browser tests on x86-64 bots.

chrome/browser_tests.isolate

Index: chrome/browser_tests.isolate
diff --git a/chrome/browser_tests.isolate b/chrome/browser_tests.isolate
index 49569770c2c9d93d29f811450bf11d9f5d2595e6..eaf72eb8e1b36a69ab1403431c647f35f8cef57a 100644
--- a/chrome/browser_tests.isolate
+++ b/chrome/browser_tests.isolate
@@ -107,7 +107,7 @@
       },
     }],
     [('disable_nacl==0 and OS=="linux" and '
-      '(target_arch=="ia32" or target_arch=="arm")'), {
+      '(target_arch=="ia32" or target_arch=="x64" or target_arch=="arm")'), {
       'variables': {
         'files': [
           '<(PRODUCT_DIR)/ppapi_nacl_tests_pnacl_nonsfi.nmf',
@@ -145,6 +145,14 @@
         ],
       },
     }],
+    ['disable_nacl==0 and OS=="linux" and '
+         '(target_arch=="x64" or target_arch=="ia32")', {
+      'variables': {
+        'files': [
+          '<(PRODUCT_DIR)/ppapi_nacl_tests_pnacl_newlib_x32_nonsfi.nexe',
+        ],
+      },
+    }],
     ['OS=="mac"', {
       'variables': {
         'files': [