roll clang 266460:267383

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 9368049d22e875e640a8f46e0963cbc5f63a44f8..009e209f215808a04e0f0c9917d9509648de0b37 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -2657,6 +2657,9 @@
 
         # TODO(thakis): Enable this, crbug.com/507717
         '-Wno-shift-negative-value',
+
+        # TODO(thakis): https://crbug.com/604888
+        '-Wno-undefined-var-template',
       ],
     },
     'includes': [ 'set_clang_warning_flags.gypi', ],
@@ -3074,10 +3077,6 @@
         # TODO: Enable on Windows too, http://crbug.com/404525
         'variables': { 'clang_warning_flags': ['-Wexit-time-destructors']},
       }],
-      ['"<!(python <(DEPTH)/tools/clang/scripts/update.py --print-revision)"!="266460-1"', {
-        # TODO(thakis): https://crbug.com/604888
-        'variables': { 'clang_warning_flags': ['-Wno-undefined-var-template']},
-      }],
       ['chromium_code==0', {
         'variables': {
           'clang_warning_flags': [