Merge pull request #1530 from filipe-norte-red/wpe-2.46-avoid_roundup_of_small_volume_capacities

Avoid round-up of small volume capacities

Author: magomez

Source/WebKit/NetworkProcess/storage/NetworkStorageManager.cpp

@@ -389,7 +389,10 @@ void NetworkStorageManager::spaceGrantedForOrigin(const WebCore::ClientOrigin& o
         if (m_volumeCapacityOverride)
             volumeCapacity = m_volumeCapacityOverride;
         else if (auto capacity = FileSystem::volumeCapacity(m_path))
-            volumeCapacity = WTF::roundUpToMultipleOf(defaultVolumeCapacityUnit, *capacity);
+            if (*capacity < defaultVolumeCapacityUnit)
+                volumeCapacity = *capacity;
+            else
+                volumeCapacity = WTF::roundUpToMultipleOf(defaultVolumeCapacityUnit, *capacity);
         if (volumeCapacity)
             m_totalQuota = *m_totalQuotaRatio * *volumeCapacity;
         else
@@ -551,7 +554,10 @@ OriginQuotaManager::Parameters NetworkStorageManager::originQuotaManagerParamete
         if (m_volumeCapacityOverride)
             volumeCapacity = m_volumeCapacityOverride;
         else if (auto capacity = FileSystem::volumeCapacity(m_path))
-            volumeCapacity = WTF::roundUpToMultipleOf(defaultVolumeCapacityUnit, *capacity);
+            if (*capacity < defaultVolumeCapacityUnit)
+                volumeCapacity = *capacity;
+            else
+                volumeCapacity = WTF::roundUpToMultipleOf(defaultVolumeCapacityUnit, *capacity);
         if (volumeCapacity) {
             quota = m_originQuotaRatio.value() * volumeCapacity.value();
             increaseQuotaFunction = { };