Add missing includes.

To fix build for lacros experiment.

BUG=chromium:1043804
TEST=Build locally

Change-Id: I164606313cfc1bd7be154b1b811f649d35950dc2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2154437
Auto-Submit: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Matt Menke <mmenke@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Hidehiko Abe <hidehiko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760150}

base/big_endian.cc

@@ -4,6 +4,8 @@
 
 #include "base/big_endian.h"
 
+#include <string.h>
+
 #include "base/numerics/checked_math.h"
 #include "base/strings/string_piece.h"
 

base/check_op.h

@@ -5,6 +5,8 @@
 #ifndef BASE_CHECK_OP_H_
 #define BASE_CHECK_OP_H_
 
+#include <string.h>
+
 #include <cstddef>
 #include <type_traits>
 

base/files/dir_reader_linux.h

@@ -9,6 +9,7 @@
 #include <fcntl.h>
 #include <stddef.h>
 #include <stdint.h>
+#include <string.h>
 #include <sys/syscall.h>
 #include <unistd.h>
 

base/metrics/metrics_hashes.cc

@@ -4,6 +4,8 @@
 
 #include "base/metrics/metrics_hashes.h"
 
+#include <string.h>
+
 #include "base/hash/md5.h"
 #include "base/logging.h"
 #include "base/sys_byteorder.h"

base/process/environment_internal.cc

@@ -6,6 +6,10 @@
 
 #include <stddef.h>
 
+#if defined(OS_POSIX) || defined(OS_FUCHSIA)
+#include <string.h>
+#endif
+
 #include <vector>
 
 namespace base {

base/strings/string16.cc

@@ -13,6 +13,8 @@
 
 #elif defined(WCHAR_T_IS_UTF32)
 
+#include <string.h>
+
 #include <ostream>
 
 #include "base/strings/string_piece.h"

base/synchronization/lock_impl.h

@@ -16,6 +16,7 @@
 #elif defined(OS_POSIX) || defined(OS_FUCHSIA)
 #include <errno.h>
 #include <pthread.h>
+#include <string.h>
 #endif
 
 namespace base {

base/trace_event/blame_context.cc

@@ -4,6 +4,8 @@
 
 #include "base/trace_event/blame_context.h"
 
+#include <cstring>
+
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/traced_value.h"

net/base/datagram_buffer.cc

@@ -3,6 +3,9 @@
 // found in the LICENSE file.
 
 #include "net/base/datagram_buffer.h"
+
+#include <cstring>
+
 #include "net/third_party/quiche/src/quic/platform/api/quic_ptr_util.h"
 
 namespace net {

net/reporting/reporting_header_parser.cc

@@ -4,6 +4,7 @@
 
 #include "net/reporting/reporting_header_parser.h"
 
+#include <cstring>
 #include <string>
 #include <utility>
 #include <vector>