Revert of Move remote_db_manager into the safe_browsing_db component.

components/safe_browsing_db/safe_browsing_api_handler.cc

Index: components/safe_browsing_db/safe_browsing_api_handler.cc
diff --git a/components/safe_browsing_db/safe_browsing_api_handler.cc b/components/safe_browsing_db/safe_browsing_api_handler.cc
deleted file mode 100644
index fd3c3cee30bbc76f2242bb1e1007d268190abdcf..0000000000000000000000000000000000000000
--- a/components/safe_browsing_db/safe_browsing_api_handler.cc
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "components/safe_browsing_db/safe_browsing_api_handler.h"
-
-namespace safe_browsing {
-
-SafeBrowsingApiHandler* SafeBrowsingApiHandler::instance_ = NULL;
-
-// static
-void SafeBrowsingApiHandler::SetInstance(SafeBrowsingApiHandler* instance) {
-  instance_ = instance;
-}
-
-// static
-SafeBrowsingApiHandler* SafeBrowsingApiHandler::GetInstance() {
-  return instance_;
-}
-
-}  // namespace safe_browsing