Allow embedder to use custom cryptography in Autofill table.

components/autofill/core/browser/webdata/autofill_table.h

 // Copyright 2013 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_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_TABLE_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_TABLE_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
+#include "components/autofill/core/browser/webdata/autofill_table_encryptor.h"

[please use gerrit instead, 2017/02/22 19:05:42]

Can you forward-declare AutofillTableEncryptor instead?

[devarajn, 2017/02/22 19:24:26]

Done.

 #include "components/sync/base/model_type.h"
 #include "components/sync/model/metadata_batch.h"
 #include "components/webdata/common/web_database_table.h"
 
 class WebDatabase;
 
 namespace base {
 class Time;
 }
 
@@ skipping 217 matching lines @@
 //
 // autofill_model_type_state
 //                      Single row table that contains the sync ModelTypeState
 //                      for the autofill model type.
 //
 //   value              The serialized ModelTypeState record.
 
 class AutofillTable : public WebDatabaseTable {
  public:
   AutofillTable();
+  AutofillTable(

[please use gerrit instead, 2017/02/22 19:05:42]

Please mark this constructor explicit to avoid accidental auto-conversion of
AutofillTableEncryptor into AutofillTable.

[devarajn, 2017/02/22 19:24:26]

Done.

+      std::unique_ptr<AutofillTableEncryptor> autofill_table_encryptor);
   ~AutofillTable() override;
 
   // Retrieves the AutofillTable* owned by |db|.
   static AutofillTable* FromWebDatabase(WebDatabase* db);
 
   // WebDatabaseTable:
   WebDatabaseTable::TypeKey GetTypeKey() const override;
   bool CreateTablesIfNecessary() override;
   bool IsSyncable() override;
   bool MigrateToVersion(int version, bool* update_compatible_version) override;
@@ skipping 196 matching lines @@
   bool MigrateToVersion67AddMaskedCardBillingAddress();
   bool MigrateToVersion70AddSyncMetadata();
   bool MigrateToVersion71AddHasConvertedAndBillingAddressIdMetadata();
 
   // Max data length saved in the table, AKA the maximum length allowed for
   // form data.
   // Copied to components/autofill/ios/browser/resources/autofill_controller.js.
   static const size_t kMaxDataLength;
 
  private:
+  std::unique_ptr<AutofillTableEncryptor> autofill_table_encryptor_;
+
   FRIEND_TEST_ALL_PREFIXES(AutofillTableTest, Autofill);
   FRIEND_TEST_ALL_PREFIXES(AutofillTableTest, Autofill_AddChanges);
   FRIEND_TEST_ALL_PREFIXES(
       AutofillTableTest,
       Autofill_GetCountOfValuesContainedBetween);
   FRIEND_TEST_ALL_PREFIXES(AutofillTableTest, Autofill_RemoveBetweenChanges);
   FRIEND_TEST_ALL_PREFIXES(AutofillTableTest, Autofill_UpdateDontReplace);
   FRIEND_TEST_ALL_PREFIXES(
       AutofillTableTest,
       Autofill_RemoveFormElementsAddedBetween_UsedOnlyBefore);
@@ skipping 65 matching lines @@
   bool InitServerAddressMetadataTable();
   bool InitAutofillSyncMetadataTable();
   bool InitModelTypeStateTable();
 
   DISALLOW_COPY_AND_ASSIGN(AutofillTable);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_WEBDATA_AUTOFILL_TABLE_H_