Suppress some more warnings for Clang Windows builds

build/common.gypi

 # Copyright (c) 2012 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 expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 4660 matching lines @@
                   '/FIIntrin.h',
 
                   # TODO(hans): Make this list shorter eventually.
                   '-Qunused-arguments',
                   '-Wno-c++11-compat-deprecated-writable-strings',
                   '-Wno-char-subscripts',
                   '-Wno-deprecated-declarations',
                   '-Wno-deprecated-register',
                   '-Wno-empty-body',
                   '-Wno-enum-conversion',
+                  '-Wno-extra-tokens',
+                  '-Wno-ignored-attributes',
                   '-Wno-incompatible-pointer-types',
+                  '-Wno-int-to-void-pointer-cast',
+                  '-Wno-invalid-noreturn',
                   '-Wno-logical-op-parentheses',
                   '-Wno-microsoft',
                   '-Wno-missing-braces',
+                  '-Wno-missing-declarations',
                   '-Wno-msvc-include',
                   '-Wno-null-dereference',
                   '-Wno-overloaded-virtual',
                   '-Wno-parentheses',
                   '-Wno-pointer-sign',
                   '-Wno-reorder',
                   '-Wno-return-type-c-linkage',
                   '-Wno-self-assign',
+                  '-Wno-sometimes-uninitialized',
                   '-Wno-switch',
                   '-Wno-tautological-compare',
                   '-Wno-unknown-pragmas',
                   '-Wno-unsequenced',
                   '-Wno-unused-function',
                   '-Wno-unused-private-field',
                   '-Wno-unused-value',
                   '-Wno-unused-variable',
                   '-ferror-limit=1',
                 ],
@@ skipping 182 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',
   },
 }