Prerender: Remove MatchComplete status.

chrome/browser/prerender/prerender_histograms.cc

Index: chrome/browser/prerender/prerender_histograms.cc
diff --git a/chrome/browser/prerender/prerender_histograms.cc b/chrome/browser/prerender/prerender_histograms.cc
index 30d9f03731e86b394ce9e4b221873884b51d397e..9df289dd32d738337524938e56c2e93133175a6e 100644
--- a/chrome/browser/prerender/prerender_histograms.cc
+++ b/chrome/browser/prerender/prerender_histograms.cc
@@ -206,9 +206,6 @@ base::TimeTicks PrerenderHistograms::GetCurrentTimeTicks() const {
 // and Control group cases, while nothing ever gets swapped in, we do keep
 // track of what would be prerendered and would be swapped in -- and those
 // cases are what is classified as Match for these groups.
-// ...MatchedComplete -- A prerendered page that was swapped in + a few
-// that were not swapped in so that the set of pages lines up more closely with
-// the control group.
 // ...FirstAfterMiss -- First page to finish loading after a prerender, which
 // is different from the page that was prerendered.
 // ...FirstAfterMissNonOverlapping -- Same as FirstAfterMiss, but only
@@ -349,23 +346,11 @@ void PrerenderHistograms::RecordTimeBetweenPrerenderRequests(
 
 void PrerenderHistograms::RecordFinalStatus(
     Origin origin,
-    PrerenderContents::MatchCompleteStatus mc_status,
     FinalStatus final_status) const {
   DCHECK(final_status != FINAL_STATUS_MAX);
-
-  if (mc_status == PrerenderContents::MATCH_COMPLETE_DEFAULT ||
-      mc_status == PrerenderContents::MATCH_COMPLETE_REPLACED) {
-    PREFIXED_HISTOGRAM_ORIGIN_EXPERIMENT(
-        "FinalStatus", origin,
-        UMA_HISTOGRAM_ENUMERATION(name, final_status, FINAL_STATUS_MAX));
-  }
-  if (mc_status == PrerenderContents::MATCH_COMPLETE_DEFAULT ||
-      mc_status == PrerenderContents::MATCH_COMPLETE_REPLACEMENT ||
-      mc_status == PrerenderContents::MATCH_COMPLETE_REPLACEMENT_PENDING) {
-    PREFIXED_HISTOGRAM_ORIGIN_EXPERIMENT(
-        "FinalStatusMatchComplete", origin,
-        UMA_HISTOGRAM_ENUMERATION(name, final_status, FINAL_STATUS_MAX));
-  }
+  PREFIXED_HISTOGRAM_ORIGIN_EXPERIMENT(
+      "FinalStatus", origin,
+      UMA_HISTOGRAM_ENUMERATION(name, final_status, FINAL_STATUS_MAX));
 }
 
 void PrerenderHistograms::RecordNetworkBytes(Origin origin,