First part of PAGE_TRANSITION_START_PAGE cleanup.

chrome/common/metrics/metrics_log_base.cc

 // 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.
 
 #include "chrome/common/metrics/metrics_log_base.h"
 
 #include "base/base64.h"
 #include "base/basictypes.h"
 #include "base/md5.h"
 #include "base/perftimer.h"
@@ skipping 330 matching lines @@
     case content::PAGE_TRANSITION_AUTO_SUBFRAME:
     case content::PAGE_TRANSITION_RELOAD:
       origin_string = "refresh";
       break;
 
     case content::PAGE_TRANSITION_GENERATED:
     case content::PAGE_TRANSITION_KEYWORD:
       origin_string = "global-history";
       break;
 
-    case content::PAGE_TRANSITION_START_PAGE:
-      origin_string = "start-page";
+    case content::PAGE_TRANSITION_AUTO_TOPLEVEL:
+      origin_string = "auto-toplevel";
       break;
 
     case content::PAGE_TRANSITION_FORM_SUBMIT:
       origin_string = "form-submit";
       break;
 
     default:
       NOTREACHED() << "Received an unknown page transition type: " <<
                       content::PageTransitionStripQualifier(origin);
   }
@@ skipping 125 matching lines @@
   for (size_t i = 0; i < histogram.bucket_count(); ++i) {
     if (snapshot.counts(i)) {
       HistogramEventProto::Bucket* bucket = histogram_proto->add_bucket();
       bucket->set_min(histogram.ranges(i));
       bucket->set_max(histogram.ranges(i + 1));
       bucket->set_bucket_index(i);
       bucket->set_count(snapshot.counts(i));
     }
   }
 }