Count exact cache size for time ranges

chrome/browser/browsing_data/cache_counter.h

Index: chrome/browser/browsing_data/cache_counter.h
diff --git a/chrome/browser/browsing_data/cache_counter.h b/chrome/browser/browsing_data/cache_counter.h
index 04248e4f94eee53c27a48a42a169f14f91b152b9..eb78cf5448be1ed38108038c08796dcf5a9e4205 100644
--- a/chrome/browser/browsing_data/cache_counter.h
+++ b/chrome/browser/browsing_data/cache_counter.h
@@ -44,6 +44,9 @@ class CacheCounter : public browsing_data::BrowsingDataCounter {
   // Used only for testing.
   bool Pending();
 
+  // Used only for testing.
+  void SetTimeout(base::TimeDelta timeout);
+
  private:
   void Count() override;
   void OnCacheSizeCalculated(bool is_upper_limit, int64_t bytes);
@@ -52,6 +55,7 @@ class CacheCounter : public browsing_data::BrowsingDataCounter {
 
   Profile* profile_;
   bool pending_;
+  base::TimeDelta timeout_;
 
   base::WeakPtrFactory<CacheCounter> weak_ptr_factory_;