Makes the in memory db update rows that have search terms associated

chrome/browser/history/in_memory_history_backend.h

Index: chrome/browser/history/in_memory_history_backend.h
diff --git a/chrome/browser/history/in_memory_history_backend.h b/chrome/browser/history/in_memory_history_backend.h
index c7758006ec8e15e317326982083626d56110087f..6e56636668d93c5c7dd1194dd2e96df523ec778f 100644
--- a/chrome/browser/history/in_memory_history_backend.h
+++ b/chrome/browser/history/in_memory_history_backend.h
@@ -23,6 +23,7 @@
 #include "chrome/common/notification_registrar.h"
 
 class FilePath;
+class GURL;
 class HistoryDatabase;
 class Profile;
 
@@ -77,6 +78,9 @@ class InMemoryHistoryBackend : public NotificationObserver {
   // Handler for HISTORY_KEYWORD_SEARCH_TERM_UPDATED.
   void OnKeywordSearchTermUpdated(const KeywordSearchTermDetails& details);
 
+  // Returns true if there is a keyword associated with the specified url.
+  bool HasKeyword(const GURL& url);
+
   NotificationRegistrar registrar_;
 
   scoped_ptr<InMemoryDatabase> db_;