[Safe browsing] Clean up code to scan hash results for threats.

chrome/browser/safe_browsing/database_manager.h

Index: chrome/browser/safe_browsing/database_manager.h
diff --git a/chrome/browser/safe_browsing/database_manager.h b/chrome/browser/safe_browsing/database_manager.h
index 6db424e4b52d9511449a4e3c8ecdef8f45b31dd7..98e225f283adcbcb01faa4e8fa23d470a4e0964a 100644
--- a/chrome/browser/safe_browsing/database_manager.h
+++ b/chrome/browser/safe_browsing/database_manager.h
@@ -214,6 +214,7 @@ class SafeBrowsingDatabaseManager
   friend class SafeBrowsingServiceTest;
   friend class SafeBrowsingServiceTestHelper;
   friend class SafeBrowsingDatabaseManagerTest;
+  FRIEND_TEST_ALL_PREFIXES(SafeBrowsingDatabaseManagerTest, GetUrlThreatType);
 
   typedef std::set<SafeBrowsingCheck*> CurrentChecks;
   typedef std::vector<SafeBrowsingCheck*> GetHashRequestors;
@@ -234,6 +235,19 @@ class SafeBrowsingDatabaseManager
     base::TimeTicks start;  // When check was queued.
   };
 
+  // Return the threat type from the first result in |full_hashes| which matches
+  // |hash|, or SAFE if none match.
+  static SBThreatType GetHashThreatType(
+      const SBFullHash& hash,
+      const std::vector<SBFullHashResult>& full_hashes);
+
+  // Given a URL, compare all the possible host + path full hashes to the set of
+  // provided full hashes.  Returns the threat type of the matching result from
+  // |full_hashes|, or SAFE if none match.
+  static SBThreatType GetUrlThreatType(
+      const GURL& url,
+      const std::vector<SBFullHashResult>& full_hashes);
+
   // Called to stop operations on the io_thread. This may be called multiple
   // times during the life of the DatabaseManager. Should be called on IO
   // thread.