Switch to standard integer types in base/strings/.

base/strings/utf_offset_string_conversions.cc

Index: base/strings/utf_offset_string_conversions.cc
diff --git a/base/strings/utf_offset_string_conversions.cc b/base/strings/utf_offset_string_conversions.cc
index c2270bfce2ff3f468e5280f3a0bad9b8a88f9d99..322c7a28d3a2475cb9cd3be1300e2969d4acee70 100644
--- a/base/strings/utf_offset_string_conversions.cc
+++ b/base/strings/utf_offset_string_conversions.cc
@@ -4,6 +4,8 @@
 
 #include "base/strings/utf_offset_string_conversions.h"
 
+#include <stdint.h>
+
 #include <algorithm>
 
 #include "base/logging.h"
@@ -188,9 +190,9 @@ bool ConvertUnicode(const SrcChar* src,
     adjustments->clear();
   // ICU requires 32-bit numbers.
   bool success = true;
-  int32 src_len32 = static_cast<int32>(src_len);
-  for (int32 i = 0; i < src_len32; i++) {
-    uint32 code_point;
+  int32_t src_len32 = static_cast<int32_t>(src_len);
+  for (int32_t i = 0; i < src_len32; i++) {
+    uint32_t code_point;
     size_t original_i = i;
     size_t chars_written = 0;
     if (ReadUnicodeCharacter(src, src_len32, &i, &code_point)) {