Make BrowsingDataRemover mockable and filter builders comparable

chrome/browser/browsing_data/browsing_data_remover.cc

Index: chrome/browser/browsing_data/browsing_data_remover.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover.cc b/chrome/browser/browsing_data/browsing_data_remover.cc
index 455327d7af9f6218588449814c77b188fd23c7b0..19d9ce727ab114bcb055f203cd5d89d389aba9a8 100644
--- a/chrome/browser/browsing_data/browsing_data_remover.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover.cc
@@ -290,6 +290,11 @@ BrowsingDataRemover::NotificationDetails::NotificationDetails(
 
 BrowsingDataRemover::NotificationDetails::~NotificationDetails() {}
 
+bool BrowsingDataRemover::TimeRange::operator==(
+    const BrowsingDataRemover::TimeRange& other) const {
+  return begin == other.begin && end == other.end;
+}
+
 // static
 BrowsingDataRemover::TimeRange BrowsingDataRemover::Unbounded() {
   return TimeRange(base::Time(), base::Time::Max());