[Downloads] Deprecate incorrect metrics.

content/browser/download/download_stats.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 "content/browser/download/download_stats.h"
 
 #include "base/macros.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/strings/string_util.h"
@@ skipping 451 matching lines @@
       if (danger_type == DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE) {
         UMA_HISTOGRAM_SPARSE_SLOWLY("Download.DangerousFile.Discard",
                                     GetDangerousFileType(file_path));
       }
       break;
     default:
       NOTREACHED();
   }
 }
 
-void RecordDownloadWriteSize(size_t data_len) {
-  int max = 1024 * 1024;  // One Megabyte.
-  UMA_HISTOGRAM_CUSTOM_COUNTS("Download.WriteSize", data_len, 1, max, 256);
-}
-
-void RecordDownloadWriteLoopCount(int count) {
-  UMA_HISTOGRAM_ENUMERATION("Download.WriteLoopCount", count, 20);
-}
-
 void RecordAcceptsRanges(const std::string& accepts_ranges,
                          int64_t download_len,
                          bool has_strong_validator) {
   int64_t max = 1024 * 1024 * 1024;  // One Terabyte.
   download_len /= 1024;  // In Kilobytes
   static const int kBuckets = 50;
 
   if (base::LowerCaseEqualsASCII(accepts_ranges, "none")) {
     UMA_HISTOGRAM_CUSTOM_COUNTS("Download.AcceptRangesNone.KBytes",
                                 download_len,
@@ skipping 175 matching lines @@
       CONTENT_DISPOSITION_HAS_RFC2047_ENCODED_STRINGS, result,
       net::HttpContentDisposition::HAS_RFC2047_ENCODED_STRINGS);
 }
 
 void RecordFileThreadReceiveBuffers(size_t num_buffers) {
     UMA_HISTOGRAM_CUSTOM_COUNTS(
       "Download.FileThreadReceiveBuffers", num_buffers, 1,
       100, 100);
 }
 
-void RecordBandwidth(double actual_bandwidth, double potential_bandwidth) {
-  UMA_HISTOGRAM_CUSTOM_COUNTS(
-      "Download.ActualBandwidth", actual_bandwidth, 1, 1000000000, 50);
-  UMA_HISTOGRAM_CUSTOM_COUNTS(
-      "Download.PotentialBandwidth", potential_bandwidth, 1, 1000000000, 50);
-  UMA_HISTOGRAM_PERCENTAGE(
-      "Download.BandwidthUsed",
-      (int) ((actual_bandwidth * 100)/ potential_bandwidth));
-}
-
 void RecordOpen(const base::Time& end, bool first) {
   if (!end.is_null()) {
     UMA_HISTOGRAM_LONG_TIMES("Download.OpenTime", (base::Time::Now() - end));
     if (first) {
       UMA_HISTOGRAM_LONG_TIMES("Download.FirstOpenTime",
                               (base::Time::Now() - end));
     }
   }
 }
 
@@ skipping 40 matching lines @@
   size_t disk_write_time_ms = disk_write_time.InMilliseconds();
   if (0u == disk_write_time_ms)
     disk_write_time_ms = 1;
 
   UMA_HISTOGRAM_CUSTOM_COUNTS(
       "Download.BandwidthOverallBytesPerSecond",
       (1000 * length / elapsed_time_ms), 1, 50000000, 50);
   UMA_HISTOGRAM_CUSTOM_COUNTS(
       "Download.BandwidthDiskBytesPerSecond",
       (1000 * length / disk_write_time_ms), 1, 50000000, 50);
-  UMA_HISTOGRAM_COUNTS_100("Download.DiskBandwidthUsedPercentage",
-                           disk_write_time_ms * 100 / elapsed_time_ms);
 }
 
 void RecordDownloadFileRenameResultAfterRetry(
     base::TimeDelta time_since_first_failure,
     DownloadInterruptReason interrupt_reason) {
   if (interrupt_reason == DOWNLOAD_INTERRUPT_REASON_NONE) {
     UMA_HISTOGRAM_TIMES("Download.TimeToRenameSuccessAfterInitialFailure",
                         time_since_first_failure);
   } else {
     UMA_HISTOGRAM_TIMES("Download.TimeToRenameFailureAfterInitialFailure",
@@ skipping 55 matching lines @@
                                            : DOWNLOAD_REDIRECT_INSECURE
                 : is_redirect_chain_secure ? DOWNLOAD_TARGET_INSECURE
                                            : DOWNLOAD_REDIRECT_TARGET_INSECURE;
   }
 
   UMA_HISTOGRAM_ENUMERATION("Download.TargetConnectionSecurity", state,
                             DOWNLOAD_CONNECTION_SECURITY_MAX);
 }
 
 }  // namespace content