Win/GN: Make no_exception config explicit.

build/config/BUILDCONFIG.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.
 
 # =============================================================================
 # WHAT IS THIS FILE?
 # =============================================================================
 #
 # This is the master GN build configuration. This file is loaded after the
 # build args (args.gn) for the build directory and after the toplevel ".gn"
@@ skipping 456 matching lines @@
 # Holds all configs used for running the compiler.
 default_compiler_configs = [
   "//build/config:feature_flags",
   "//build/config/compiler:compiler",
   "//build/config/compiler:clang_stackrealign",
   "//build/config/compiler:compiler_arm_fpu",
   "//build/config/compiler:chromium_code",
   "//build/config/compiler:default_include_dirs",
   "//build/config/compiler:default_optimization",
   "//build/config/compiler:default_symbols",
+  "//build/config/compiler:no_exceptions",
   "//build/config/compiler:no_rtti",
   "//build/config/compiler:runtime_library",
   "//build/config/sanitizers:default_sanitizer_flags",
 ]
 if (is_win) {
   default_compiler_configs += [
     "//build/config/win:lean_and_mean",
     "//build/config/win:nominmax",
     "//build/config/win:unicode",
     "//build/config/win:winver",
     "//build/config/win:vs_code_analysis",
   ]
 }
 if (current_os == "winrt_81" || current_os == "winrt_81_phone" ||
     current_os == "winrt_10") {
   default_compiler_configs += [ "//build/config/win:target_winrt" ]
 }
 if (is_posix) {
-  default_compiler_configs += [
-    "//build/config/gcc:no_exceptions",
-    "//build/config/gcc:symbol_visibility_hidden",
-  ]
+  default_compiler_configs += [ "//build/config/gcc:symbol_visibility_hidden" ]
 }
 
 if (is_android) {
   default_compiler_configs +=
       [ "//build/config/android:default_cygprofile_instrumentation" ]
 }
 
 if (is_clang && !is_nacl) {
   default_compiler_configs += [
     "//build/config/clang:find_bad_constructs",
@@ skipping 130 matching lines @@
 set_defaults("component") {
   if (is_component_build) {
     configs = default_shared_library_configs
     if (is_android) {
       configs -= [ "//build/config/android:hide_native_jni_exports" ]
     }
   } else {
     configs = default_compiler_configs
   }
 }