Add a function to the History to return a list of the top n visited URLs where and the list of most recent redirects for each of those URLs.

Review URL: http://codereview.chromium.org/151057

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19743 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 14 insertions, 0 deletions

diff --git a/chrome/browser/history/history.h b/chrome/browser/history/history.h
index fcea84f..200e19c 100644
--- a/chrome/browser/history/history.h
+++ b/chrome/browser/history/history.h
@@ -305,6 +305,20 @@ class HistoryService : public CancelableRequestProvider,
                              CancelableRequestConsumerBase* consumer,
                              GetVisitCountToHostCallback* callback);
 
+  // Called when QueryTopURLsAndRedirects completes. The vector contains a list
+  // of the top |result_count| URLs.  For each of these URLs, there is an entry
+  // in the map containing redirects from the URL.  For example, if we have the
+  // redirect chain A -> B -> C and A is a top visited URL, then A will be in
+  // the vector and "A => {B -> C}" will be in the map.
+  typedef Callback2<std::vector<GURL>*, history::RedirectMap*>::Type
+      QueryTopURLsAndRedirectsCallback;
+
+  // Request the top |result_count| most visited URLs and the chain of redirects
+  // leading to each of these URLs.
+  Handle QueryTopURLsAndRedirects(int result_count,
+                                  CancelableRequestConsumerBase* consumer,
+                                  QueryTopURLsAndRedirectsCallback* callback);
+
   // Thumbnails ----------------------------------------------------------------
 
   // Implemented by consumers to get thumbnail data. Called when a request for