Remove uses of base::hash_map from //chrome

chrome/browser/safe_browsing/local_database_manager.h

Index: chrome/browser/safe_browsing/local_database_manager.h
diff --git a/chrome/browser/safe_browsing/local_database_manager.h b/chrome/browser/safe_browsing/local_database_manager.h
index 185aa470d4a0ef3af947d3729e748232f8513c0d..d9acebc7be5842760034c6661b70b83192e77c2e 100644
--- a/chrome/browser/safe_browsing/local_database_manager.h
+++ b/chrome/browser/safe_browsing/local_database_manager.h
@@ -18,7 +18,6 @@
 #include <vector>
 
 #include "base/callback.h"
-#include "base/containers/hash_tables.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ -162,7 +161,7 @@ class LocalSafeBrowsingDatabaseManager
                            ServiceStopWithPendingChecks);
 
   typedef std::vector<SafeBrowsingCheck*> GetHashRequestors;
-  typedef base::hash_map<SBPrefix, GetHashRequestors> GetHashRequests;
+  typedef std::map<SBPrefix, GetHashRequestors> GetHashRequests;
 
   // Clients that we've queued up for checking later once the database is ready.
   struct QueuedCheck {