[Windows MSVC CFG] Add support for CFG, and enable on chrome.exe & chrome_elf.dll.

chrome/BUILD.gn

 # Copyright 2014 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/buildflag_header.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 180 matching lines @@
         configs += [ "//build/config/win:windowed" ]
       }
 
       ldflags = [
         "/DELAYLOAD:dbghelp.dll",
         "/DELAYLOAD:dwmapi.dll",
         "/DELAYLOAD:uxtheme.dll",
         "/DELAYLOAD:ole32.dll",
         "/DELAYLOAD:oleaut32.dll",
       ]
+
+      # Turn on CFG for this project.
+      configs += [ "//build/config/win:win_msvc_cfg" ]
     } else if (use_aura) {
       # Non-Windows aura entrypoint.
       sources += [ "app/chrome_exe_main_aura.cc" ]
     }
 
     if (is_linux) {
       sources += [
         "app/chrome_dll_resource.h",
         "app/chrome_main.cc",
         "app/chrome_main_delegate.cc",
@@ skipping 1314 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }