Componentize kBug464926CrashKey into crash_keys.

components/crash_keys/crash_keys.cc

 // Copyright 2015 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 "components/crash_keys/crash_keys.h"
 
 #include "base/debug/crash_logging.h"
 #include "base/format_macros.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 
 namespace crash_keys {
 
 #if defined(OS_MACOSX)
 // Crashpad owns the "guid" key. Chrome's metrics client ID is a separate ID
 // carried in a distinct "metrics_client_id" field.
 const char kMetricsClientId[] = "metrics_client_id";
 #else
 const char kClientId[] = "guid";
 #endif
 
 const char kChannel[] = "channel";
 
 const char kNumVariations[] = "num-experiments";
 const char kVariations[] = "variations";
 
+const char kBug464926CrashKey[] = "bug-464926-info";
+
 #if defined(OS_MACOSX)
 namespace mac {
 
 const char kZombie[] = "zombie";
 const char kZombieTrace[] = "zombie_dealloc_bt";
 
 }  // namespace mac
 #endif
 
 void SetMetricsClientIdFromGUID(const std::string& metrics_client_guid) {
@@ skipping 46 matching lines @@
     if (variations_string.size() + variation.size() >= kLargeSize)
       break;
     variations_string += variation;
     variations_string += ",";
   }
 
   base::debug::SetCrashKeyValue(kVariations, variations_string);
 }
 
 }  // namespace crash_keys