Fix off-by-one error in counter array sizing in BlimpStats.

blimp/net/blimp_stats.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "blimp/net/blimp_stats.h"
 
 #include "base/logging.h"
 
 namespace blimp {
 
 // static
 base::LazyInstance<BlimpStats> BlimpStats::instance_ =
     LAZY_INSTANCE_INITIALIZER;
 
 // static
 BlimpStats* BlimpStats::GetInstance() {
   return &instance_.Get();
 }
 
 BlimpStats::BlimpStats() {
-  for (size_t i = 0; i < EVENT_TYPE_MAX; ++i) {
+  for (size_t i = 0; i <= EVENT_TYPE_MAX; ++i) {
     base::subtle::NoBarrier_Store(&values_[i], 0);
   }
 }
 
 BlimpStats::~BlimpStats() {}
 
 void BlimpStats::Add(EventType type, base::subtle::Atomic32 amount) {
   if (amount < 0) {
     DLOG(FATAL) << "Illegal negative stat value: type=" << type
                 << ", amount=" << amount << ".";
     return;
   }
 
   base::subtle::NoBarrier_AtomicIncrement(&values_[type], amount);
 }
 
 base::subtle::Atomic32 BlimpStats::Get(EventType type) const {
   return base::subtle::NoBarrier_Load(&values_[type]);
 }
 
 }  // namespace blimp