Move Touch to base namespace, remove SetLastModifiedTime.

chrome/browser/browsing_data/browsing_data_remover_unittest.cc

Index: chrome/browser/browsing_data/browsing_data_remover_unittest.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover_unittest.cc b/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
index 848c2716102c7cc0d9e3dd2ba9b87f06e1442ad2..99c3f7391741f8623441b58b37357014d41dac1c 100644
--- a/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
@@ -563,14 +563,18 @@ class RemoveLocalStorageTester {
     file_util::WriteFile(storage_path.Append(kDomStorageExt), NULL, 0);
 
     // Tweak their dates.
-    file_util::SetLastModifiedTime(storage_path.Append(kDomStorageOrigin1),
-        base::Time::Now());
-    file_util::SetLastModifiedTime(storage_path.Append(kDomStorageOrigin2),
-        base::Time::Now() - base::TimeDelta::FromDays(1));
-    file_util::SetLastModifiedTime(storage_path.Append(kDomStorageOrigin3),
-        base::Time::Now() - base::TimeDelta::FromDays(60));
-    file_util::SetLastModifiedTime(storage_path.Append(kDomStorageExt),
-        base::Time::Now());
+    base::Time now = base::Time::Now();

[viettrungluu, 2013/12/04 21:09:23]

(Note that the new version isn't absolutely equivalent to the old version, since
the different calls to Now() in the old version may return different values. I
think it's fine for this test though.)

+    base::TouchFile(storage_path.Append(kDomStorageOrigin1), now, now);
+
+    base::Time one_day_ago = now - base::TimeDelta::FromDays(1);
+    base::TouchFile(storage_path.Append(kDomStorageOrigin2),
+                    one_day_ago, one_day_ago);
+
+    base::Time sixty_days_ago = now - base::TimeDelta::FromDays(60);
+    base::TouchFile(storage_path.Append(kDomStorageOrigin3),
+                    sixty_days_ago, sixty_days_ago);
+
+    base::TouchFile(storage_path.Append(kDomStorageExt), now, now);
   }
 
  private: