            'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0',
            'USE_HEADERMAP': 'NO',
            'WARNING_CFLAGS': [
-Index: chromium-53.0.2774.4/build/config/compiler/BUILD.gn
-===================================================================
 --- chromium-53.0.2774.4.orig/build/config/compiler/BUILD.gn
 +++ chromium-53.0.2774.4/build/config/compiler/BUILD.gn
 @@ -1040,9 +1040,6 @@ config("chromium_code") {

     if (is_clang && !is_nacl) {
       # TODO(thakis): Remove !is_nacl once
       # https://codereview.webrtc.org/1552863002/ made its way into chromium.

--- chromium-53.0.2774.4.orig/build/common.gypi
+++ chromium-53.0.2774.4/build/common.gypi
@@ -1446,7 +1446,7 @@
