Move ShouldFilterAutofillResult from ChromePasswordManagerClient to PasswordManager

components/password_manager/sync/browser/sync_store_result_filter.h

Index: components/password_manager/sync/browser/sync_store_result_filter.h
diff --git a/components/password_manager/sync/browser/sync_store_result_filter.h b/components/password_manager/sync/browser/sync_store_result_filter.h
new file mode 100644
index 0000000000000000000000000000000000000000..8d737f1c765ca515dade584e23c6df1677ba6bd8
--- /dev/null
+++ b/components/password_manager/sync/browser/sync_store_result_filter.h
@@ -0,0 +1,46 @@
+// 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.
+
+#ifndef COMPONENTS_PASSWORD_MANAGER_SYNC_BROWSER_STORE_RESULT_FILTER_H_
+#define COMPONENTS_PASSWORD_MANAGER_SYNC_BROWSER_STORE_RESULT_FILTER_H_
+
+#include "components/password_manager/core/browser/store_result_filter.h"
+
+namespace password_manager {
+
+class PasswordManagerClient;
+
+// The sync- and GAIA- aware implementation of the filter.
+class SyncStoreResultFilter : public StoreResultFilter {
+ public:
+  explicit SyncStoreResultFilter(const PasswordManagerClient* client);
+  ~SyncStoreResultFilter() override;
+
+  // StoreResultFilter
+  bool ShouldIgnore(const autofill::PasswordForm& form) override;
+
+ private:
+  enum AutofillForSyncCredentialsState {
+    ALLOW_SYNC_CREDENTIALS,
+    DISALLOW_SYNC_CREDENTIALS_FOR_REAUTH,
+    DISALLOW_SYNC_CREDENTIALS,
+  };
+
+  // Determines autofill state based on experiment and flag values.
+  static AutofillForSyncCredentialsState SetUpAutofillSyncState();
+
+  const PasswordManagerClient* const client_;
+
+  // How to handle the sync credential in ShouldFilterAutofillResult().
+  const AutofillForSyncCredentialsState autofill_sync_state_;
+
+  // For statistics about filtering the sync credential during autofill.
+  bool sync_credential_was_filtered_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyncStoreResultFilter);
+};
+
+}  // namespace password_manager
+
+#endif  // COMPONENTS_PASSWORD_MANAGER_SYNC_BROWSER_STORE_RESULT_FILTER_H_