[field_trial] rename base::HashName to base::HashFieldTrialName

This was first added in
https://chromium-review.googlesource.com/c/chromium/src/+/4695913. This
CL updates the name to be less generic.

Bug: None
Change-Id: I3d1ba8b3fc42480e1571190967521a398168ba7e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4936030
Commit-Queue: Alexei Svitkine <[email protected]>
Reviewed-by: Alexei Svitkine <[email protected]>
Auto-Submit: Thiabaud Engelbrecht <[email protected]>
Commit-Queue: Thiabaud Engelbrecht <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1208892}


CrOS-Libchrome-Original-Commit: 9846f0e4ef9b597a65e9b4a9dbb42b69ec05821b

Author: Thiabaud Engelbrecht

base/metrics/field_trial_params.cc

@@ -31,7 +31,7 @@ void LogInvalidValue(const Feature& feature,
                      const std::string& value_as_string,
                      const std::string& default_value_as_string) {
   UmaHistogramSparse("Variations.FieldTriamParamsLogInvalidValue",
-                     static_cast<int>(base::HashName(
+                     static_cast<int>(base::HashFieldTrialName(
                          FeatureList::GetFieldTrial(feature)->trial_name())));
   // To anyone noticing these crash dumps in the wild, these parameters come
   // from server-side experiment configuration. If you're seeing an increase it

base/metrics/metrics_hashes.cc

@@ -50,7 +50,7 @@ uint32_t HashMetricNameAs32Bits(base::StringPiece name) {
   return DigestToUInt32(digest);
 }
 
-uint32_t HashName(base::StringPiece name) {
+uint32_t HashFieldTrialName(base::StringPiece name) {
   // SHA-1 is designed to produce a uniformly random spread in its output space,
   // even for nearly-identical inputs.
   unsigned char sha1_hash[base::kSHA1Length];

base/metrics/metrics_hashes.h

@@ -22,7 +22,7 @@ BASE_EXPORT uint32_t HashMetricNameAs32Bits(base::StringPiece name);
 
 // Computes a uint32_t hash of a given string based on its SHA1 hash. Suitable
 // for uniquely identifying field trial names and group names.
-BASE_EXPORT uint32_t HashName(base::StringPiece name);
+BASE_EXPORT uint32_t HashFieldTrialName(base::StringPiece name);
 
 }  // namespace base