Issue 501916 : Add data type counts to profile deletion flow

components/history/core/browser/history_backend.h

Index: components/history/core/browser/history_backend.h
diff --git a/components/history/core/browser/history_backend.h b/components/history/core/browser/history_backend.h
index 78de7d47ccc0bb412d06581c09375e9b91972d02..b46fca174dd5e7f5aa59c7ad832a2b5cc62a4970 100644
--- a/components/history/core/browser/history_backend.h
+++ b/components/history/core/browser/history_backend.h
@@ -268,6 +268,11 @@ class HistoryBackend : public base::RefCountedThreadSafe<HistoryBackend>,
                          bool debug,
                          FilteredURLList* result);
 
+  // Statistics ----------------------------------------------------------------
+
+  // Count the number of URLs in the browsing history

[Mike Lerman, 2015/08/07 19:37:12]

nit: trailing period please.

[lwchkg, 2015/08/09 16:11:49]

Acknowledged. Anyway we need to discuss the naming of this function and the
other two new functions in the history component, because the function names do
not match what they are actually doing now. To make discussion easy I'll post
the details in the next draft (should be ready tomorrow). We'll also need to
include James in the decision.

+  int CountURLs();
+
   // Favicon -------------------------------------------------------------------
 
   void GetFavicons(