Enable GN check for gpu and rlz

skia/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
 }
@@ skipping 426 matching lines @@
   if (is_win) {
     sources += [ "ext/bitmap_platform_device_win.cc" ]
   } else if (is_mac) {
     sources += [ "ext/bitmap_platform_device_mac.cc" ]
   } else if (use_cairo) {
     sources += [ "ext/bitmap_platform_device_cairo.cc" ]
   } else if (!is_ios) {
     sources += [ "ext/bitmap_platform_device_skia.cc" ]
   }
 
-  if (is_clang) {
+  if (is_clang && !is_nacl) {
     # Skia won't compile with some of the more strict clang warnings.
     # e.g. it does:
     #  SkASSERT(!"sk_out_of_memory");
     configs -= [ "//build/config/clang:extra_warnings" ]
   }
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     ":skia_config",
     ":skia_library_config",
@@ skipping 261 matching lines @@
     ]
 
     deps = [
       ":skia",
       "//base",
       "//base/test:test_support",
       "//build/config/sanitizers:deps",
     ]
   }
 }