Add a temporary crash key to debug nib loading issues.

chrome/common/crash_keys.cc

 // Copyright (c) 2013 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 "chrome/common/crash_keys.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
@@ skipping 144 matching lines @@
 #endif
 #if defined(OS_MACOSX)
     { mac::kFirstNSException, kMediumSize },
     { mac::kFirstNSExceptionTrace, kMediumSize },
     { mac::kLastNSException, kMediumSize },
     { mac::kLastNSExceptionTrace, kMediumSize },
     { mac::kNSException, kMediumSize },
     { mac::kNSExceptionTrace, kMediumSize },
     { mac::kSendAction, kMediumSize },
     { mac::kNSEvent, kMediumSize },
+    { mac::kToolbarNibInfo, kMediumSize },
     { mac::kZombie, kMediumSize },
     { mac::kZombieTrace, kMediumSize },
     // content/:
     { "channel_error_bt", kMediumSize },
     { "remove_route_bt", kMediumSize },
     { "rwhvm_window", kMediumSize },
     // media/:
 #endif
     { kBug464926CrashKey, kSmallSize },
     { kViewCount, kSmallSize },
@@ skipping 200 matching lines @@
 }
 
 ScopedPrinterInfo::~ScopedPrinterInfo() {
   for (size_t i = 0; i < kPrinterInfoCount; ++i) {
     std::string key = base::StringPrintf(kPrinterInfo, i + 1);
     base::debug::ClearCrashKey(key);
   }
 }
 
 }  // namespace crash_keys