Remove uses of base::hash_map from //chrome

chrome/browser/safe_browsing/protocol_manager.h

Index: chrome/browser/safe_browsing/protocol_manager.h
diff --git a/chrome/browser/safe_browsing/protocol_manager.h b/chrome/browser/safe_browsing/protocol_manager.h
index 8878df62a7c89a6d414afc285bdaddef3111f398..125d7e25e38c4a948b8a3801aacb0fd1c00c2d9c 100644
--- a/chrome/browser/safe_browsing/protocol_manager.h
+++ b/chrome/browser/safe_browsing/protocol_manager.h
@@ -334,8 +334,8 @@ class SafeBrowsingProtocolManager : public net::URLFetcherDelegate {
   // All chunk requests that need to be made.
   std::deque<ChunkUrl> chunk_request_urls_;
 
-  base::hash_map<const net::URLFetcher*,
-                 std::pair<std::unique_ptr<net::URLFetcher>, FullHashDetails>>
+  std::map<const net::URLFetcher*,
+           std::pair<std::unique_ptr<net::URLFetcher>, FullHashDetails>>
       hash_requests_;
 
   // True if the service has been given an add/sub chunk but it hasn't been