fix instances of bugprone-argument-comment

This new clang-tidy check complains when param names /*in_comments=*/
don't match up with the actual parameter name they're being passed to.
Sometimes this is benign, other times, actual bugs are found.

Bug: 1136209
Change-Id: Ib72fae06192b4fea7f9e87bf6a4f55bd50c136b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2459187Reviewed-by: Jesse Doherty <jwd@chromium.org>
Commit-Queue: George Burgess <gbiv@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817307}

base/metrics/sparse_histogram_unittest.cc

@@ -400,10 +400,10 @@ TEST_P(SparseHistogramTest, HistogramNameHash) {
 TEST_P(SparseHistogramTest, CheckGetCountAndBucketData) {
   std::unique_ptr<SparseHistogram> histogram(NewSparseHistogram("Sparse"));
   // Add samples in reverse order and make sure the output is in correct order.
-  histogram->AddCount(/*sample=*/200, /*value=*/15);
-  histogram->AddCount(/*sample=*/100, /*value=*/5);
+  histogram->AddCount(/*sample=*/200, /*count=*/15);
+  histogram->AddCount(/*sample=*/100, /*count=*/5);
   // Add samples to the same bucket and make sure they'll be aggregated.
-  histogram->AddCount(/*sample=*/100, /*value=*/5);
+  histogram->AddCount(/*sample=*/100, /*count=*/5);
 
   base::Histogram::Count total_count;
   int64_t sum;
@@ -438,8 +438,8 @@ TEST_P(SparseHistogramTest, CheckGetCountAndBucketData) {
 TEST_P(SparseHistogramTest, WriteAscii) {
   HistogramBase* histogram =
       SparseHistogram::FactoryGet("AsciiOut", HistogramBase::kNoFlags);
-  histogram->AddCount(/*sample=*/4, /*value=*/5);
-  histogram->AddCount(/*sample=*/10, /*value=*/15);
+  histogram->AddCount(/*sample=*/4, /*count=*/5);
+  histogram->AddCount(/*sample=*/10, /*count=*/15);
 
   std::string output;
   histogram->WriteAscii(&output);
@@ -455,8 +455,8 @@ TEST_P(SparseHistogramTest, WriteAscii) {
 TEST_P(SparseHistogramTest, ToGraphDict) {
   HistogramBase* histogram =
       SparseHistogram::FactoryGet("HTMLOut", HistogramBase::kNoFlags);
-  histogram->AddCount(/*sample=*/4, /*value=*/5);
-  histogram->AddCount(/*sample=*/10, /*value=*/15);
+  histogram->AddCount(/*sample=*/4, /*count=*/5);
+  histogram->AddCount(/*sample=*/10, /*count=*/15);
 
   base::DictionaryValue output = histogram->ToGraphDict();
   std::string* header = output.FindStringKey("header");