GTTF: Make our handling of Windows pre-processor symbols more consistent.

build/common.gypi

 # Copyright (c) 2010 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   'variables': {
     # .gyp files or targets should set chromium_code to 1 if they build
@@ skipping 511 matching lines @@
               },
               'VCCLCompilerTool': {
                 # /Z7, not /Zi, so coverage is happyb
                 'DebugInformationFormat': '1',
                 'AdditionalOptions': ['/Yd'],
               }
             }
          }],  # OS==win
         ],  # conditions for coverage
       }],  # coverage!=0
+      ['OS=="win"', {
+        'defines': [
+          '__STD_C',
+          '_CRT_SECURE_NO_DEPRECATE',
+          '_SCL_SECURE_NO_DEPRECATE',
+        ],
+        'include_dirs': [
+          '<(DEPTH)/third_party/wtl/include',
+        ],
+      }],  # OS==win
     ],  # conditions for 'target_defaults'
     'target_conditions': [
       ['chromium_code==0', {
         'conditions': [
           [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
             'cflags!': [
               '-Wall',
               '-Wextra',
               '-Werror',
             ],
@@ skipping 893 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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