SuggestionsService blacklist handling.

chrome/browser/android/most_visited_sites.h

Index: chrome/browser/android/most_visited_sites.h
diff --git a/chrome/browser/android/most_visited_sites.h b/chrome/browser/android/most_visited_sites.h
index 21af53f3fee98ea5c15dbf640d8c95eb561cd355..04d320c37224773e1a021a21a62f0da1e8100b08 100644
--- a/chrome/browser/android/most_visited_sites.h
+++ b/chrome/browser/android/most_visited_sites.h
@@ -10,6 +10,7 @@
 #include "base/android/scoped_java_ref.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
+#include "chrome/browser/history/history_types.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ -49,6 +50,12 @@ class MostVisitedSites : public content::NotificationObserver {
   // enabled, or if it returns no data.
   void InitiateTopSitesQuery();
 
+  // Callback for when data is available from TopSites.
+  void OnMostVisitedURLsAvailable(
+      base::android::ScopedJavaGlobalRef<jobject>* j_observer,
+      int num_sites,
+      const history::MostVisitedURLList& visited_list);
+
   // Callback for when data is available from the SuggestionsService.
   void OnSuggestionsProfileAvailable(
       base::android::ScopedJavaGlobalRef<jobject>* j_observer,
@@ -68,6 +75,13 @@ class MostVisitedSites : public content::NotificationObserver {
 
   content::NotificationRegistrar registrar_;
 
+  // The source of the Most Visited sites.
+  enum MostVisitedSource {
+    TOP_SITES,
+    SUGGESTIONS_SERVICE
+  };
+  MostVisitedSource mv_source_;
+
   DISALLOW_COPY_AND_ASSIGN(MostVisitedSites);
 };