Another go at switching mini_installer to gyp.

build/common.gypi

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     # .gyp files should set chromium_code to 1 if they build Chromium-specific
     # code, as opposed to external code.  This variable is used to control
     # such things as the set of warnings to enable, and whether warnings are
     # treated as errors.
@@ skipping 466 matching lines @@
             'WarnAsError': 'true',
             'DebugInformationFormat': '3',
           },
           'VCLibrarianTool': {
             'AdditionalOptions': '/ignore:4221',
             'AdditionalLibraryDirectories':
               ['<(DEPTH)/third_party/platformsdk_win2008_6_1/files/Lib'],
           },
           'VCLinkerTool': {
             'AdditionalOptions':
-              '/safeseh /dynamicbase /ignore:4199 /ignore:4221 /nxcompat',
+              '/safeseh:NO /dynamicbase:NO /ignore:4199 /ignore:4221 /nxcompat',
             'AdditionalDependencies': [
               'wininet.lib',
               'version.lib',
               'msimg32.lib',
               'ws2_32.lib',
               'usp10.lib',
               'psapi.lib',
               'dbghelp.lib',
             ],
             'AdditionalLibraryDirectories':
@@ skipping 51 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }