Allow embedder to use custom cryptography in Autofill table.

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

Index: components/autofill/core/browser/webdata/autofill_table.h
diff --git a/components/autofill/core/browser/webdata/autofill_table.h b/components/autofill/core/browser/webdata/autofill_table.h
index dc08b9b5ea82832be36792708e28d5e772ca7227..7516acdb99e1545608f378c453ed368fcb3d9fbf 100644
--- a/components/autofill/core/browser/webdata/autofill_table.h
+++ b/components/autofill/core/browser/webdata/autofill_table.h
@@ -14,6 +14,7 @@
 #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"
 #include "components/sync/base/model_type.h"
 #include "components/sync/model/metadata_batch.h"
 #include "components/webdata/common/web_database_table.h"
@@ -251,6 +252,8 @@ struct FormFieldData;
 class AutofillTable : public WebDatabaseTable {
  public:
   AutofillTable();
+  AutofillTable(
+      std::unique_ptr<AutofillTableEncryptor> autofill_table_encryptor);
   ~AutofillTable() override;
 
   // Retrieves the AutofillTable* owned by |db|.
@@ -467,6 +470,8 @@ class AutofillTable : public WebDatabaseTable {
   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(