Quota: Rename variables for consistency.

The variables used to be constants, but with the new experiment around
incognito pool size, they are no longer constant. This change updates
the variable names to reflect the aforementioned.

Bug: 1017120
Change-Id: Ic65bf5bc58ef54177946b84deeb6d9f098d03140
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1906317
Commit-Queue: Jarryd Goodman <jarrydg@chromium.org>
Commit-Queue: Victor Costan <pwnall@chromium.org>
Reviewed-by: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714056}

storage/browser/quota/quota_settings.cc

@@ -34,23 +34,23 @@ storage::QuotaSettings CalculateIncognitoDynamicSettings(
     int64_t physical_memory_amount) {
   // The incognito pool size is a fraction of the amount of system memory,
   // and the amount is capped to a hard limit.
-  double kIncognitoPoolSizeRatio = 0.1;  // 10%
-  int64_t kMaxIncognitoPoolSize = 300 * kMBytes;
+  double incognito_pool_size_ratio = 0.1;  // 10%
+  int64_t max_incognito_pool_size = 300 * kMBytes;
   if (base::FeatureList::IsEnabled(features::kIncognitoDynamicQuota)) {
     const double lower_bound = features::kIncognitoQuotaRatioLowerBound.Get();
     const double upper_bound = features::kIncognitoQuotaRatioUpperBound.Get();
-    kIncognitoPoolSizeRatio =
+    incognito_pool_size_ratio =
         lower_bound + (base::RandDouble() * (upper_bound - lower_bound));
-    kMaxIncognitoPoolSize = std::numeric_limits<int64_t>::max();
+    max_incognito_pool_size = std::numeric_limits<int64_t>::max();
   } else {
-    kMaxIncognitoPoolSize =
-        RandomizeByPercent(kMaxIncognitoPoolSize, kRandomizedPercentage);
+    max_incognito_pool_size =
+        RandomizeByPercent(max_incognito_pool_size, kRandomizedPercentage);
   }
 
   storage::QuotaSettings settings;
   settings.pool_size = std::min(
-      kMaxIncognitoPoolSize,
-      static_cast<int64_t>(physical_memory_amount * kIncognitoPoolSizeRatio));
+      max_incognito_pool_size,
+      static_cast<int64_t>(physical_memory_amount * incognito_pool_size_ratio));
   settings.per_host_quota = settings.pool_size / 3;
   settings.session_only_per_host_quota = settings.per_host_quota;
   settings.refresh_interval = base::TimeDelta::Max();