Adds a base32 component.

chrome/installer/setup/user_hive_visitor.cc

Index: chrome/installer/setup/user_hive_visitor.cc
diff --git a/chrome/installer/setup/user_hive_visitor.cc b/chrome/installer/setup/user_hive_visitor.cc
index ca2d7fe9c1cedf6f71b3a214dbd9f71be1600813..e26f7c904fc67c3d5535eaff20aa0cc8bf4110e3 100644
--- a/chrome/installer/setup/user_hive_visitor.cc
+++ b/chrome/installer/setup/user_hive_visitor.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/installer/setup/user_hive_visitor.h"
 
+#include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ -15,9 +16,10 @@
 #include "base/rand_util.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/win/registry.h"
 #include "chrome/installer/setup/setup_util.h"
-#include "chrome/installer/util/shell_util.h"
+#include "components/base32/base32.h"
 
 namespace installer {
 
@@ -49,9 +51,9 @@ class ScopedUserHive {
 
 ScopedUserHive::ScopedUserHive(const base::FilePath& hive_file) {
   // Generate a random name for the key at which the file will be loaded.
-  uint8_t buffer[10] = {};
-  base::RandBytes(&buffer[0], arraysize(buffer));
-  subkey_name_ = ShellUtil::ByteArrayToBase32(&buffer[0], arraysize(buffer));
+  std::string buffer = base::RandBytesAsString(10);
+  subkey_name_ = base::ASCIIToUTF16(
+      base32::Base32Encode(buffer, base32::Base32EncodePolicy::OMIT_PADDING));
   DCHECK_EQ(16U, subkey_name_.size());
 
   LONG result = ::RegLoadKey(HKEY_LOCAL_MACHINE, subkey_name_.c_str(),