[sql] WARN_UNUSED_RESULT on Execute().

chrome/browser/history/url_database.h

Index: chrome/browser/history/url_database.h
diff --git a/chrome/browser/history/url_database.h b/chrome/browser/history/url_database.h
index 837a9572186ba61e06953cc8696c19b7c307db0a..4d19ff3d069cde2019baf588e34f9de14f322caf 100644
--- a/chrome/browser/history/url_database.h
+++ b/chrome/browser/history/url_database.h
@@ -252,13 +252,13 @@ class URLDatabase {
   bool CreateURLTable(bool is_temporary);
   // We have two tiers of indices for the URL table. The main tier is used by
   // all URL databases, and is an index over the URL itself.
-  void CreateMainURLIndex();
+  bool CreateMainURLIndex();
 
   // Ensures the keyword search terms table exists.
   bool InitKeywordSearchTermsTable();
 
   // Creates the indices used for keyword search terms.
-  void CreateKeywordSearchTermsIndices();
+  bool CreateKeywordSearchTermsIndices();
 
   // Deletes the keyword search terms table.
   bool DropKeywordSearchTermsTable();