Reporting data reduction proxy related daily content lengths if even they are zeros.

BUG=376486

Review URL: https://codereview.chromium.org/324503003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@275631 0039d316-1c4b-4281-b951-d872f2087c98

components/data_reduction_proxy/browser/data_reduction_proxy_metrics.cc

@@ -112,16 +112,15 @@ void RecordDailyContentLengthHistograms(
       "Net.DailyContentPercent_DataReductionProxyEnabled",
       (100 * received_length_with_data_reduction_enabled) / received_length);
 
-  if (https_length_with_data_reduction_enabled > 0) {
+  DCHECK_GE(https_length_with_data_reduction_enabled, 0);
   UMA_HISTOGRAM_COUNTS(
       "Net.DailyContentLength_DataReductionProxyEnabled_Https",
       https_length_with_data_reduction_enabled >> 10);
   UMA_HISTOGRAM_PERCENTAGE(
       "Net.DailyContentPercent_DataReductionProxyEnabled_Https",
       (100 * https_length_with_data_reduction_enabled) / received_length);
-  }
 
-  if (short_bypass_length_with_data_reduction_enabled > 0) {
+  DCHECK_GE(short_bypass_length_with_data_reduction_enabled, 0);
   UMA_HISTOGRAM_COUNTS(
       "Net.DailyContentLength_DataReductionProxyEnabled_ShortBypass",
       short_bypass_length_with_data_reduction_enabled >> 10);
@@ -129,9 +128,8 @@ void RecordDailyContentLengthHistograms(
       "Net.DailyContentPercent_DataReductionProxyEnabled_ShortBypass",
       ((100 * short_bypass_length_with_data_reduction_enabled) /
        received_length));
-  }
 
-  if (long_bypass_length_with_data_reduction_enabled > 0) {
+  DCHECK_GE(long_bypass_length_with_data_reduction_enabled, 0);
   UMA_HISTOGRAM_COUNTS(
       "Net.DailyContentLength_DataReductionProxyEnabled_LongBypass",
       long_bypass_length_with_data_reduction_enabled >> 10);
@@ -139,9 +137,8 @@ void RecordDailyContentLengthHistograms(
       "Net.DailyContentPercent_DataReductionProxyEnabled_LongBypass",
       ((100 * long_bypass_length_with_data_reduction_enabled) /
        received_length));
-  }
 
-  if (unknown_length_with_data_reduction_enabled > 0) {
+  DCHECK_GE(unknown_length_with_data_reduction_enabled, 0);
   UMA_HISTOGRAM_COUNTS(
       "Net.DailyContentLength_DataReductionProxyEnabled_Unknown",
       unknown_length_with_data_reduction_enabled >> 10);
@@ -149,16 +146,12 @@ void RecordDailyContentLengthHistograms(
       "Net.DailyContentPercent_DataReductionProxyEnabled_Unknown",
       ((100 * unknown_length_with_data_reduction_enabled) /
        received_length));
-  }
-
-  if (original_length_via_data_reduction_proxy <= 0 ||
-      received_length_via_data_reduction_proxy <= 0) {
-    return;
-  }
 
+  DCHECK_GE(original_length_via_data_reduction_proxy, 0);
   UMA_HISTOGRAM_COUNTS(
       "Net.DailyOriginalContentLength_ViaDataReductionProxy",
       original_length_via_data_reduction_proxy >> 10);
+  DCHECK_GE(received_length_via_data_reduction_proxy, 0);
   UMA_HISTOGRAM_COUNTS(
       "Net.DailyContentLength_ViaDataReductionProxy",
       received_length_via_data_reduction_proxy >> 10);