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 26d43a46e66bdf786ed484d44c6e5249f732985a..cadcb40bc9dbb62c2b41522a2e65475e546a4e6d 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 "components/metrics/proto/omnibox_input_type.pb.h"
 #include "components/search_engines/template_url.h"
 
@@ -25,6 +24,10 @@ class Profile;
 class SearchProviderTest;
 class TemplateURLService;
 
+namespace history {
+struct KeywordSearchTermVisit;
+}
+
 namespace net {
 class URLFetcher;
 }