Componentize URLDatabase

chrome/browser/autocomplete/search_provider.h

Index: chrome/browser/autocomplete/search_provider.h
diff --git a/chrome/browser/autocomplete/search_provider.h b/chrome/browser/autocomplete/search_provider.h
index 7e5dfdf01e9545c90c03c751bcaf6baffdd8a98d..beae259d7f0e63506ca81fe266f82b6c1b0c633b 100644
--- a/chrome/browser/autocomplete/search_provider.h
+++ b/chrome/browser/autocomplete/search_provider.h
@@ -17,7 +17,6 @@
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/autocomplete/base_search_provider.h"
-#include "chrome/browser/history/history_types.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "components/metrics/proto/omnibox_input_type.pb.h"
 
@@ -25,6 +24,10 @@ class Profile;
 class SearchProviderTest;
 class TemplateURLService;
 
+namespace history {
+struct KeywordSearchTermVisit;
+}
+
 namespace net {
 class URLFetcher;
 }