Remove Windows-related GN build configuration

build/config/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/allocator.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
@@ skipping 269 matching lines @@
   defines = [
     "_DEBUG",
     "DYNAMIC_ANNOTATIONS_ENABLED=1",
     "WTF_USE_DYNAMIC_ANNOTATIONS=1",
   ]
 
   if (is_nacl) {
     defines += [ "DYNAMIC_ANNOTATIONS_PREFIX=NACL_" ]
   }
 
-  if (is_win) {
-    if (disable_iterator_debugging) {
-      # Iterator debugging is enabled by the compiler on debug builds, and we
-      # have to tell it to turn it off.
-      defines += [ "_HAS_ITERATOR_DEBUGGING=0" ]
-    }
-  } else if (is_linux && !is_android && current_cpu == "x64" &&
-             !disable_iterator_debugging) {
+  if (is_linux && !is_android && current_cpu == "x64" &&
+      !disable_iterator_debugging) {
     # Enable libstdc++ debugging facilities to help catch problems early, see
     # http://crbug.com/65151 .
     # TODO(phajdan.jr): Should we enable this for all of POSIX?
     defines += [ "_GLIBCXX_DEBUG=1" ]
   }
 }
 
 config("release") {
   defines = [ "NDEBUG" ]
 
@@ skipping 12 matching lines @@
       # 1 for all .nexes.
       defines += [ "DYNAMIC_ANNOTATIONS_ENABLED=0" ]
     }
   }
 }
 
 # Default libraries ------------------------------------------------------------
 
 # This config defines the default libraries applied to all targets.
 config("default_libs") {
-  if (is_win) {
-    # TODO(brettw) this list of defaults should probably be smaller, and
-    # instead the targets that use the less common ones (e.g. wininet or
-    # winspool) should include those explicitly.
-    libs = [
-      "advapi32.lib",
-      "comdlg32.lib",
-      "dbghelp.lib",
-      "delayimp.lib",
-      "dnsapi.lib",
-      "gdi32.lib",
-      "kernel32.lib",
-      "msimg32.lib",
-      "odbc32.lib",
-      "odbccp32.lib",
-      "ole32.lib",
-      "oleaut32.lib",
-      "psapi.lib",
-      "shell32.lib",
-      "shlwapi.lib",
-      "user32.lib",
-      "usp10.lib",
-      "uuid.lib",
-      "version.lib",
-      "wininet.lib",
-      "winmm.lib",
-      "winspool.lib",
-      "ws2_32.lib",
-
-      # Please don't add more stuff here. We should actually be making this
-      # list smaller, since all common things should be covered. If you need
-      # some extra libraries, please just add a libs = [ "foo.lib" ] to your
-      # target that needs it.
-    ]
-  } else if (is_android) {
+  if (is_android) {
     # Android uses -nostdlib so we need to add even libc here.
     libs = [
       # TODO(brettw) write a version of this, hopefully we can express this
       # without forking out to GCC just to get the library name. The android
       # toolchain directory should probably be extracted into a .gni file that
       # this file and the android toolchain .gn file can share.
       #   # Manually link the libgcc.a that the cross compiler uses.
       #   '<!(<(android_toolchain)/*-gcc -print-libgcc-file-name)',
       "c",
       "dl",
@@ skipping 14 matching lines @@
       "CoreFoundation.framework",
       "CoreGraphics.framework",
       "CoreText.framework",
       "Foundation.framework",
       "UIKit.framework",
     ]
   } else if (is_linux) {
     libs = [ "dl" ]
   }
 }