Fix a few broken histograms.

Review URL: http://codereview.chromium.org/99214

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14984 0039d316-1c4b-4281-b951-d872f2087c98

net/disk_cache/backend_impl.cc

@@ -780,13 +780,11 @@ void BackendImpl::FirstEviction() {
   if (data_->header.experiment == 8) {
     CACHE_UMA(PERCENTAGE, "FirstResurrectRatio", 8, stats_.GetResurrectRatio());
     CACHE_UMA(PERCENTAGE, "FirstNoUseRatio", 8,
-              data_->header.lru.sizes[0] / data_->header.num_entries);
+              data_->header.lru.sizes[0] * 100 / data_->header.num_entries);
     CACHE_UMA(PERCENTAGE, "FirstLowUseRatio", 8,
-              data_->header.lru.sizes[1] / data_->header.num_entries);
+              data_->header.lru.sizes[1] * 100 / data_->header.num_entries);
     CACHE_UMA(PERCENTAGE, "FirstHighUseRatio", 8,
-              data_->header.lru.sizes[2] / data_->header.num_entries);
-    CACHE_UMA(PERCENTAGE, "FirstDeletedRatio", 8,
-              data_->header.lru.sizes[4] / data_->header.num_entries);
+              data_->header.lru.sizes[2] * 100 / data_->header.num_entries);
   }
 
   stats_.ResetRatios();
@@ -1382,13 +1380,13 @@ void BackendImpl::ReportStats() {
     CACHE_UMA(PERCENTAGE, "ResurrectRatio", data_->header.experiment,
               stats_.GetResurrectRatio());
     CACHE_UMA(PERCENTAGE, "NoUseRatio", data_->header.experiment,
-              data_->header.lru.sizes[0] / data_->header.num_entries);
+              data_->header.lru.sizes[0] * 100 / data_->header.num_entries);
     CACHE_UMA(PERCENTAGE, "LowUseRatio", data_->header.experiment,
-              data_->header.lru.sizes[1] / data_->header.num_entries);
+              data_->header.lru.sizes[1] * 100 / data_->header.num_entries);
     CACHE_UMA(PERCENTAGE, "HighUseRatio", data_->header.experiment,
-              data_->header.lru.sizes[2] / data_->header.num_entries);
+              data_->header.lru.sizes[2] * 100 / data_->header.num_entries);
     CACHE_UMA(PERCENTAGE, "DeletedRatio", data_->header.experiment,
-              data_->header.lru.sizes[4] / data_->header.num_entries);
+              data_->header.lru.sizes[4] * 100 / data_->header.num_entries);
   }
 
   stats_.ResetRatios();

net/disk_cache/eviction.cc

@@ -437,7 +437,7 @@ void Eviction::ReportListStats() {
     CACHE_UMA(AGE, "HighUseAge", header_->experiment,
               Time::FromInternalValue(last3.get()->Data()->last_used));
   if (last4.get())
-    CACHE_UMA(AGE, "DeletedUseAge", header_->experiment,
+    CACHE_UMA(AGE, "DeletedAge", header_->experiment,
               Time::FromInternalValue(last4.get()->Data()->last_used));
 }