Make a separate histogram for MatchComplete Final Status'es and

chrome/browser/prerender/prerender_final_status.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_FINAL_STATUS_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_FINAL_STATUS_H_
 
 #include "chrome/browser/prerender/prerender_origin.h"
 
 namespace prerender {
@@ skipping 12 matching lines @@
   FINAL_STATUS_JAVASCRIPT_ALERT = 8,
   FINAL_STATUS_AUTH_NEEDED = 9,
   FINAL_STATUS_HTTPS = 10,
   FINAL_STATUS_DOWNLOAD = 11,
   FINAL_STATUS_MEMORY_LIMIT_EXCEEDED = 12,
   FINAL_STATUS_JS_OUT_OF_MEMORY = 13,
   // Obsolete: FINAL_STATUS_RENDERER_UNRESPONSIVE = 14,
   FINAL_STATUS_TOO_MANY_PROCESSES = 15,
   FINAL_STATUS_RATE_LIMIT_EXCEEDED = 16,
   // Obsolete: FINAL_STATUS_PENDING_SKIPPED = 17,
-  FINAL_STATUS_CONTROL_GROUP = 18,
+  // Obsolete: FINAL_STATUS_CONTROL_GROUP = 18,
   FINAL_STATUS_HTML5_MEDIA = 19,
   FINAL_STATUS_SOURCE_RENDER_VIEW_CLOSED = 20,
   FINAL_STATUS_RENDERER_CRASHED = 21,
   FINAL_STATUS_UNSUPPORTED_SCHEME = 22,
   FINAL_STATUS_INVALID_HTTP_METHOD = 23,
   FINAL_STATUS_WINDOW_PRINT = 24,
   FINAL_STATUS_RECENTLY_VISITED = 25,
   FINAL_STATUS_WINDOW_OPENER = 26,
   // Obsolete: FINAL_STATUS_PAGE_ID_CONFLICT = 27,
   FINAL_STATUS_SAFE_BROWSING = 28,
   FINAL_STATUS_FRAGMENT_MISMATCH = 29,
   FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED = 30,
   FINAL_STATUS_CACHE_OR_HISTORY_CLEARED = 31,
   FINAL_STATUS_CANCELLED = 32,
   FINAL_STATUS_SSL_ERROR = 33,
   FINAL_STATUS_CROSS_SITE_NAVIGATION_PENDING = 34,
   FINAL_STATUS_DEVTOOLS_ATTACHED = 35,
   FINAL_STATUS_SESSION_STORAGE_NAMESPACE_MISMATCH = 36,
-  FINAL_STATUS_NO_USE_GROUP = 37,
-  FINAL_STATUS_MATCH_COMPLETE_DUMMY = 38,
+  // Obsolete: FINAL_STATUS_NO_USE_GROUP = 37,
+  // Obsolete: FINAL_STATUS_MATCH_COMPLETE_DUMMY = 38,
   FINAL_STATUS_DUPLICATE = 39,
   FINAL_STATUS_OPEN_URL = 40,
+  FINAL_STATUS_WOULD_HAVE_BEEN_USED = 41,
   FINAL_STATUS_MAX,
 };
 
 // Return a human-readable name for |final_status|. |final_status|
 // is expected to be a valid value.
 const char* NameFromFinalStatus(FinalStatus final_status);
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_FINAL_STATUS_H_