Refactor incompatible pointer type to a config

gpu/gles2_conform_support/BUILD.gn

 # Copyright 2015 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/allocator.gni")
 import("//testing/test.gni")
 
 # GYP version: gpu/gles2_conform_support/gles2_conform_support.gyp:gles2_conform_support
 executable("gles2_conform_support") {
   sources = [
@@ skipping 54 matching lines @@
     defines = [
       "GTF_API=GTF_GLES20",
       "HKEMBEDDEDFILESYSTEM",
     ]
     deps = [
       ":generate_gles2_conform_embedded_data",
       "//gpu/gles2_conform_support/egl",
       "//gpu/gles2_conform_support/native:windowless",
       "//gpu/command_buffer/client:gles2_c_libnocheck",
     ]
+    configs += [ "//build/compiler:no_incompatible_pointer_warnings" ]
     if (is_linux) {
       if (!is_chromeos) {
         deps += [ "//build/linux/system/gtk" ]
 
         if (is_clang) {
           cflags = [
             "-Wno-array-bounds",
             "-Wno-implicit-function-declaration",
-            "-Wno-incompatible-pointer-types",
             "-Wno-parentheses-equality",
             "-Wno-pointer-sign",
             "-Wno-return-type",
             "-Wno-sizeof-pointer-memaccess",
             "-Wno-tautological-compare",
           ]
         }
       }
     }
     if (is_win) {
@@ skipping 65 matching lines @@
   ]
   deps = [
     "//base",
     "//gpu/config",
     "//testing/gtest",
   ]
   if (internal_gles2_conform_tests) {
     deps += [ "gles2_conform_test_windowless" ]
   }
 }