Remove kint32max.

base/json/string_escape.cc

Index: base/json/string_escape.cc
diff --git a/base/json/string_escape.cc b/base/json/string_escape.cc
index 3221a3c022029c8ed7f81bbf4e0403758a8c83ee..28b3ec6260074cce9a1abdf3c6a5da77f2a0b684 100644
--- a/base/json/string_escape.cc
+++ b/base/json/string_escape.cc
@@ -4,6 +4,9 @@
 
 #include "base/json/string_escape.h"
 
+#include <stdint.h>
+
+#include <limits>
 #include <string>
 
 #include "base/strings/string_util.h"
@@ -20,7 +23,7 @@ namespace {
 const char kU16EscapeFormat[] = "\\u%04X";
 
 // The code point to output for an invalid input code unit.
-const uint32 kReplacementCodePoint = 0xFFFD;
+const uint32_t kReplacementCodePoint = 0xFFFD;
 
 // Used below in EscapeSpecialCodePoint().
 static_assert('<' == 0x3C, "less than sign must be 0x3c");
@@ -28,7 +31,7 @@ static_assert('<' == 0x3C, "less than sign must be 0x3c");
 // Try to escape the |code_point| if it is a known special character. If
 // successful, returns true and appends the escape sequence to |dest|. This
 // isn't required by the spec, but it's more readable by humans.
-bool EscapeSpecialCodePoint(uint32 code_point, std::string* dest) {
+bool EscapeSpecialCodePoint(uint32_t code_point, std::string* dest) {
   // WARNING: if you add a new case here, you need to update the reader as well.
   // Note: \v is in the reader, but not here since the JSON spec doesn't
   // allow it.
@@ -80,12 +83,13 @@ bool EscapeJSONStringImpl(const S& str, bool put_in_quotes, std::string* dest) {
   if (put_in_quotes)
     dest->push_back('"');
 
-  // Casting is necessary because ICU uses int32. Try and do so safely.
-  CHECK_LE(str.length(), static_cast<size_t>(kint32max));
-  const int32 length = static_cast<int32>(str.length());
+  // Casting is necessary because ICU uses int32_t. Try and do so safely.
+  CHECK_LE(str.length(),
+           static_cast<size_t>(std::numeric_limits<int32_t>::max()));
+  const int32_t length = static_cast<int32_t>(str.length());
 
-  for (int32 i = 0; i < length; ++i) {
-    uint32 code_point;
+  for (int32_t i = 0; i < length; ++i) {
+    uint32_t code_point;
     if (!ReadUnicodeCharacter(str.data(), length, &i, &code_point)) {
       code_point = kReplacementCodePoint;
       did_replacement = true;