It was brought to my attention that defining _HAS_TR1=0 helps with Visual Stu...

build/internal/essential.scons

 # Copyright (c) 2006-2008 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.
 
 __doc__ = """
 Essential settings for Chromium builds.
 """
 
 Import("env")
 
@@ skipping 18 matching lines @@
           ('_WIN32_WINNT', '0x0600'),
           ('WINVER', '0x0600'),
           'WIN32',
           '_WINDOWS',
           ('_HAS_EXCEPTIONS', 0),
           'NOMINMAX',
           '_CRT_RAND_S',
           'CERT_CHAIN_PARA_HAS_EXTRA_FIELDS',
           'WIN32_LEAN_AND_MEAN',
           '_SECURE_ATL',
+          ('_HAS_TR1', 0),
       ],
       CPPPATH = [
           '$PLATFORMSDK_VISTA/files/Include',
           '$PLATFORMSDK_VISTA/files/VC/INCLUDE',
           '$VISUAL_STUDIO/VC/atlmfc/include',
       ],
       CCFLAGS = [
           '/GR-',   # VCCLCompilerTool.RuntimeTypeInfo="false"
           '/Gs',    # VCCLCompilerTool.BufferSecurityCheck="true"
           '/Gy',    # VCCLCompilerTool.EnableFunctionLevelLinking="true"
@@ skipping 50 matching lines @@
   env.FilterOut(
       CCFLAGS = [
           '/GM',    # VCCLCompilerTool.MinimalRebuild="false"
           '/EH',    # VCCLCompilerTool.ExceptionHandling="0"
       ],
   )
 elif env['PLATFORM'] == 'posix':
   pass
 elif env['PLATFORM'] == 'mac':
   pass