Remove kint32max.

base/files/memory_mapped_file_posix.cc

Index: base/files/memory_mapped_file_posix.cc
diff --git a/base/files/memory_mapped_file_posix.cc b/base/files/memory_mapped_file_posix.cc
index 168da923d469641cd7b17d80c7f10b53e67ada5b..d9a7e90f8ba4d8a3773f4513e48a589f1c3cade0 100644
--- a/base/files/memory_mapped_file_posix.cc
+++ b/base/files/memory_mapped_file_posix.cc
@@ -23,10 +23,10 @@ bool MemoryMappedFile::MapFileRegionToMemory(
 
   off_t map_start = 0;
   size_t map_size = 0;
-  int32 data_offset = 0;
+  int32_t data_offset = 0;
 
   if (region == MemoryMappedFile::Region::kWholeFile) {
-    int64 file_len = file_.GetLength();
+    int64_t file_len = file_.GetLength();
     if (file_len == -1) {
       DPLOG(ERROR) << "fstat " << file_.GetPlatformFile();
       return false;
@@ -38,8 +38,8 @@ bool MemoryMappedFile::MapFileRegionToMemory(
     // start and size to be page-aligned. Hence, we map here the page-aligned
     // outer region [|aligned_start|, |aligned_start| + |size|] which contains
     // |region| and then add up the |data_offset| displacement.
-    int64 aligned_start = 0;
-    int64 aligned_size = 0;
+    int64_t aligned_start = 0;
+    int64_t aligned_size = 0;
     CalculateVMAlignedBoundaries(region.offset,
                                  region.size,
                                  &aligned_start,
@@ -49,9 +49,10 @@ bool MemoryMappedFile::MapFileRegionToMemory(
     // Ensure that the casts in the mmap call below are sane.
     if (aligned_start < 0 || aligned_size < 0 ||
         aligned_start > std::numeric_limits<off_t>::max() ||
-        static_cast<uint64>(aligned_size) >
+        static_cast<uint64_t>(aligned_size) >
             std::numeric_limits<size_t>::max() ||
-        static_cast<uint64>(region.size) > std::numeric_limits<size_t>::max()) {
+        static_cast<uint64_t>(region.size) >
+            std::numeric_limits<size_t>::max()) {
       DLOG(ERROR) << "Region bounds are not valid for mmap";
       return false;
     }
@@ -61,12 +62,8 @@ bool MemoryMappedFile::MapFileRegionToMemory(
     length_ = static_cast<size_t>(region.size);
   }
 
-  data_ = static_cast<uint8*>(mmap(NULL,
-                                   map_size,
-                                   PROT_READ,
-                                   MAP_SHARED,
-                                   file_.GetPlatformFile(),
-                                   map_start));
+  data_ = static_cast<uint8_t*>(mmap(NULL, map_size, PROT_READ, MAP_SHARED,
+                                     file_.GetPlatformFile(), map_start));
   if (data_ == MAP_FAILED) {
     DPLOG(ERROR) << "mmap " << file_.GetPlatformFile();
     return false;