Componentize URLDatabase

components/history/core/browser/keyword_search_term.cc

Index: components/history/core/browser/keyword_search_term.cc
diff --git a/components/history/core/browser/keyword_id.h b/components/history/core/browser/keyword_search_term.cc
similarity index 41%
copy from components/history/core/browser/keyword_id.h
copy to components/history/core/browser/keyword_search_term.cc
index 9dda5e1c371c5bc910f9874f803c2a97fe9dd258..08c0239b677ffb4ed2da9253fbbef210835acabb 100644
--- a/components/history/core/browser/keyword_id.h
+++ b/components/history/core/browser/keyword_search_term.cc
@@ -2,17 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_HISTORY_CORE_BROWSER_KEYWORD_ID_H_
-#define COMPONENTS_HISTORY_CORE_BROWSER_KEYWORD_ID_H_
-
-#include "base/basictypes.h"
+#include "components/history/core/browser/keyword_search_term.h"
 
 namespace history {
 
-// ID of a keyword associated with a URL and a search term.
-// 0 is the invalid value.
-typedef int64 KeywordID;
+KeywordSearchTermVisit::KeywordSearchTermVisit() : visits(0) {}
+
+KeywordSearchTermVisit::~KeywordSearchTermVisit() {}
 
-}  // namespace history
 
-#endif  // COMPONENTS_HISTORY_CORE_BROWSER_KEYWORD_ID_H_
+KeywordSearchTermRow::KeywordSearchTermRow() : keyword_id(0), url_id(0) {}
+
+KeywordSearchTermRow::~KeywordSearchTermRow() {}
+
+}  // namespace history