Revert of Safe Browsing: CheckApiBlacklist request implementation

components/safe_browsing_db/database_manager.h

Index: components/safe_browsing_db/database_manager.h
diff --git a/components/safe_browsing_db/database_manager.h b/components/safe_browsing_db/database_manager.h
index a1fa63dda02a7867ba080d1b9a0f3be38cc76356..5fa427ff29e086d420d0277507eeaf69d03a537a 100644
--- a/components/safe_browsing_db/database_manager.h
+++ b/components/safe_browsing_db/database_manager.h
@@ -14,8 +14,6 @@
 #include <string>
 #include <vector>
 
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "components/safe_browsing_db/hit_report.h"
 #include "components/safe_browsing_db/util.h"
@@ -64,6 +62,7 @@
                                           SBThreatType threat_type,
                                           const std::string& threat_hash) {}
   };
+
 
   // Returns true if URL-checking is supported on this build+device.
   // If false, calls to CheckBrowseUrl may dcheck-fail.
@@ -149,20 +148,15 @@
   virtual bool IsCsdWhitelistKillSwitchOn() = 0;
 
   // Called on the IO thread to cancel a pending check if the result is no
-  // longer needed.  Also called after the result has been handled. Api checks
-  // are handled separately. To cancel an API check use CancelApiCheck.
+  // longer needed.  Also called after the result has been handled.
   virtual void CancelCheck(Client* client) = 0;
-
-  // TODO(kcarattini): Add a CancelApiCheck method.
 
   // Called on the IO thread to check if the given url has blacklisted APIs.
   // "client" is called asynchronously with the result when it is ready.
   // This method has the same implementation for both the local and remote
   // database managers since it pings Safe Browsing servers directly without
-  // accessing the database at all.  Returns true if we can synchronously
-  // determine that the url is safe. Otherwise it returns false, and "client" is
-  // called asynchronously with the result when it is ready.
-  virtual bool CheckApiBlacklistUrl(const GURL& url, Client* client);
+  // accessing the database at all.
+  virtual void CheckApiBlacklistUrl(const GURL& url, Client* client);
 
   // Called to initialize objects that are used on the io_thread, such as the
   // v4 protocol manager.  This may be called multiple times during the life of
@@ -181,35 +175,7 @@
 
   friend class base::RefCountedThreadSafe<SafeBrowsingDatabaseManager>;
 
-  FRIEND_TEST_ALL_PREFIXES(SafeBrowsingDatabaseManagerTest,
-                           CheckApiBlacklistUrlPrefixes);
-
-  // Bundled client info for an API abuse hash prefix check.
-  class SafeBrowsingApiCheck {
-   public:
-    SafeBrowsingApiCheck(const GURL& url,
-                         const std::vector<SBFullHash>& full_hashes,
-                         Client* client);
-    ~SafeBrowsingApiCheck();
-
-   private:
-    GURL url_;
-    std::vector<SBFullHash> full_hashes_;
-    // Not owned.
-    SafeBrowsingDatabaseManager::Client* client_;
-
-    DISALLOW_COPY_AND_ASSIGN(SafeBrowsingApiCheck);
-  };
-
-  // Called on the IO thread wheh the SafeBrowsingProtocolManager has received
-  // the full hash and api results for prefixes of the |url| argument in
-  // CheckApiBlacklistUrl.
-  virtual void HandleGetHashesWithApisResults(
-      std::shared_ptr<SafeBrowsingApiCheck> check,
-      const std::vector<SBFullHashResult>& full_hash_results,
-      const base::TimeDelta& negative_cache_duration);
-
-  // Created and destroyed via StartOnIOThread/StopOnIOThread.
+  // Created and destroyed via StartonIOThread/StopOnIOThread.
   V4GetHashProtocolManager* v4_get_hash_protocol_manager_;
 };  // class SafeBrowsingDatabaseManager