VLOG -> DVLOG for uniformity field trials

chrome/browser/chrome_browser_main.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/browser/chrome_browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 1057 matching lines @@
   // Probability per group remains constant for all uniformity trials, what
   // changes is the probability divisor.
   static const base::FieldTrial::Probability kProbabilityPerGroup = 1;
   for (size_t i = 0; i < arraysize(trial_sizes); ++i) {
     const base::FieldTrial::Probability divisor = trial_sizes[i];
 
     const int group_percent = 100 / trial_sizes[i];
     const std::string trial_name =
         StringPrintf("UMA-Uniformity-Trial-%d-Percent", group_percent);
 
-    VLOG(1) << "Trial name = " << trial_name;
+    DVLOG(1) << "Trial name = " << trial_name;
 
     scoped_refptr<base::FieldTrial> trial(
         base::FieldTrialList::FactoryGetFieldTrial(
             trial_name, divisor, "default", 2015, 1, 1, NULL));
     // Loop starts with group 1 because the field trial automatically creates a
     // default group, which would be group 0.
     for (int group_number = 1; group_number < trial_sizes[i]; ++group_number) {
       const std::string group_name = StringPrintf("group_%02d", group_number);
-      VLOG(1) << "    Group name = " << group_name;
+      DVLOG(1) << "    Group name = " << group_name;
       trial->AppendGroup(group_name, kProbabilityPerGroup);
     }
   }
 }
 
 // ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related --------------
 
 void ChromeBrowserMainParts::SetupFieldTrials(bool metrics_recording_enabled,
                                               bool proxy_policy_is_set) {
   // Note: make sure to call ConnectionFieldTrial() before
@@ skipping 914 matching lines @@
     if (base::win::GetVersion() <= base::win::VERSION_XP)
       uma_name += "_XP";
 
     uma_name += "_PreRead_";
     uma_name += pre_read_percentage;
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }