Show the exact cache size for time ranges if supported

chrome/browser/ui/webui/settings/chromeos/device_storage_handler.h

Index: chrome/browser/ui/webui/settings/chromeos/device_storage_handler.h
diff --git a/chrome/browser/ui/webui/settings/chromeos/device_storage_handler.h b/chrome/browser/ui/webui/settings/chromeos/device_storage_handler.h
index 8a0dabbb59c8195afbe8b47b2767db6b239db442..e99db4a7916066e8616b196d167030cf159f2c32 100644
--- a/chrome/browser/ui/webui/settings/chromeos/device_storage_handler.h
+++ b/chrome/browser/ui/webui/settings/chromeos/device_storage_handler.h
@@ -66,6 +66,9 @@ class StorageHandler : public ::settings::SettingsPageUIHandler {
   // Requests updating the size of browsing data.
   void UpdateBrowsingDataSize();
 
+  // Callback to receive the cache size.
+  void OnGetCacheSize(int64_t size, bool is_upper_limit);
+
   // Callback to update the UI about the size of browsing data.
   void OnGetBrowsingDataSize(bool is_site_data, int64_t size);