DEPS roll to get latest gyp rev.

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 273 matching lines @@
             'GenerateStublessProxies': 'true',
             'TypeLibraryName': '$(InputName).tlb',
             'OutputDirectory': '$(IntDir)',
             'HeaderFileName': '$(InputName).h',
             'DLLDataFileName': 'dlldata.c',
             'InterfaceIdentifierFileName': '$(InputName)_i.c',
             'ProxyFileName': '$(InputName)_p.c',
           },
           'VCResourceCompilerTool': {
             'Culture' : '1033',
-            'AdditionalIncludeDirectories': '<(DEPTH)',
+            'AdditionalIncludeDirectories': ['<(DEPTH)'],
           },
         },
       },
     }],
     ['chromium_code==0', {
       # This section must follow the other conditon sections above because
       # external_code.gypi expects to be merged into those settings.
       'includes': [
         'external_code.gypi',
       ],
@@ skipping 10 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',
   },
 }