Call CSD whitelist checking on UI thread and record UMA

components/safe_browsing/password_protection/password_protection_service.h

Index: components/safe_browsing/password_protection/password_protection_service.h
diff --git a/components/safe_browsing/password_protection/password_protection_service.h b/components/safe_browsing/password_protection/password_protection_service.h
new file mode 100644
index 0000000000000000000000000000000000000000..32afe41496bd87c0877097a0864b2de69bda2a85
--- /dev/null
+++ b/components/safe_browsing/password_protection/password_protection_service.h
@@ -0,0 +1,47 @@
+// Copyright 2017 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.
+
+#ifndef COMPONENTS_SAFE_BROWSING_PASSWORD_PROTECTION_PASSWORD_PROTECTION_SERVICE_H_
+#define COMPONENTS_SAFE_BROWSING_PASSWORD_PROTECTION_PASSWORD_PROTECTION_SERVICE_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+
+class GURL;
+
+namespace safe_browsing {
+
+class SafeBrowsingDatabaseManager;
+
+class PasswordProtectionService {
+ public:
+  explicit PasswordProtectionService(
+      const scoped_refptr<SafeBrowsingDatabaseManager>& database_manager);
+
+  virtual ~PasswordProtectionService();
+
+  // Check if |url| matches CSD whitelist and record UMA metric accordingly.
+  // Currently called by PasswordReuseDetectionManager on UI thread.
+  void RecordPasswordReuse(const GURL& url);
+
+  base::WeakPtr<PasswordProtectionService> GetWeakPtr() {
+    return weak_factory_.GetWeakPtr();
+  }
+
+ protected:
+  // Called on UI thread.
+  // Increases "PasswordManager.PasswordReuse.MainFrameMatchCsdWhitelist" UMA
+  // metric based on input.
+  void OnMatchCsdWhiteListResult(bool match_whitelist);
+
+ private:
+  scoped_refptr<SafeBrowsingDatabaseManager> database_manager_;
+  base::WeakPtrFactory<PasswordProtectionService> weak_factory_;
+  DISALLOW_COPY_AND_ASSIGN(PasswordProtectionService);
+};
+
+}  // namespace safe_browsing
+
+#endif  // COMPONENTS_SAFE_BROWSING_PASSWORD_PROTECTION_PASSWORD_PROTECTION_SERVICE_H_