--- a/chrome/browser/search_engines/template_url_prepopulate_data.h
+++ b/chrome/browser/search_engines/template_url_prepopulate_data.h
@@ -8,6 +8,7 @@
 #include <stddef.h>
 #include <string>
 #include <vector>
+#include <cstddef>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
--- a/ipc/ipc_channel.h
+++ b/ipc/ipc_channel.h
@@ -1,3 +1,4 @@
+#include <sys/types.h>
 // 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.
--- a/third_party/ots/src/os2.cc
+++ b/third_party/ots/src/os2.cc
@@ -5,6 +5,7 @@
 #include "os2.h"
 
 #include "head.h"
+#include <cstddef>
 
 // OS/2 - OS/2 and Windows Metrics
 // http://www.microsoft.com/opentype/otspec/os2.htm
--- a/third_party/tcmalloc/chromium/src/base/stl_allocator.h
+++ b/third_party/tcmalloc/chromium/src/base/stl_allocator.h
@@ -39,6 +39,7 @@
 
 #include <stddef.h>   // for ptrdiff_t
 #include <limits>
+#include <cstddef>
 
 #include "base/logging.h"
 
--- a/third_party/tcmalloc/chromium/src/base/vdso_support.h
+++ b/third_party/tcmalloc/chromium/src/base/vdso_support.h
@@ -63,6 +63,7 @@
 
 #define HAVE_VDSO_SUPPORT 1
 
+#include <cstddef>
 #include <stdlib.h>     // for NULL
 
 namespace base {
--- a/third_party/tcmalloc/chromium/src/common.cc
+++ b/third_party/tcmalloc/chromium/src/common.cc
@@ -33,6 +33,7 @@
 #include "config.h"
 #include "common.h"
 #include "system-alloc.h"
+#include <cstddef>
 
 #if defined(HAVE_UNISTD_H) && defined(HAVE_GETPAGESIZE)
 #include <unistd.h>                     // for getpagesize
--- a/third_party/tcmalloc/chromium/src/symbolize.h
+++ b/third_party/tcmalloc/chromium/src/symbolize.h
@@ -39,6 +39,7 @@
 #endif
 #include <stddef.h>  // for NULL
 #include <map>
+#include <cstddef>
 
 using std::map;
 
--- a/ui/gfx/codec/jpeg_codec.h
+++ b/ui/gfx/codec/jpeg_codec.h
@@ -7,6 +7,7 @@
 
 #include <stddef.h>
 #include <vector>
+#include <cstddef>
 
 #include "ui/gfx/gfx_export.h"