Use base::size rather than arraysize in third_party/leveldatabase/.

This is purely a mechanical change; there is no intended behavior change.

BUG=837308
R=pwnall@chromium.org

Change-Id: I0cb1795cec12770775a41c639feddb9e060de4ce
Reviewed-on: https://chromium-review.googlesource.com/c/1392745
Commit-Queue: Victor Costan <pwnall@chromium.org>
Reviewed-by: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619268}

third_party/leveldatabase/env_chromium.cc

@@ -707,7 +707,7 @@ int GetCorruptionCode(const leveldb::Status& status) {
   const int kOtherError = 0;
   int error = kOtherError;
   const std::string& str_error = status.ToString();
-  const size_t kNumPatterns = arraysize(patterns);
+  const size_t kNumPatterns = base::size(patterns);
   for (size_t i = 0; i < kNumPatterns; ++i) {
     if (str_error.find(patterns[i]) != std::string::npos) {
       error = i + 1;
@@ -720,7 +720,7 @@ int GetCorruptionCode(const leveldb::Status& status) {
 int GetNumCorruptionCodes() {
   // + 1 for the "other" error that is returned when a corruption message
   // doesn't match any of the patterns.
-  return arraysize(patterns) + 1;
+  return base::size(patterns) + 1;
 }
 
 std::string GetCorruptionMessage(const leveldb::Status& status) {