Move tracked prefs into services/preferences/tracked.

services/preferences/tracked/pref_hash_store_transaction.h

Index: services/preferences/tracked/pref_hash_store_transaction.h
diff --git a/components/user_prefs/tracked/pref_hash_store_transaction.h b/services/preferences/tracked/pref_hash_store_transaction.h
similarity index 65%
rename from components/user_prefs/tracked/pref_hash_store_transaction.h
rename to services/preferences/tracked/pref_hash_store_transaction.h
index 55d99d2d03fc6b04f4e9eb4724a69de779416704..2e888859ee82cb41a052076f332ed13037adf13d 100644
--- a/components/user_prefs/tracked/pref_hash_store_transaction.h
+++ b/services/preferences/tracked/pref_hash_store_transaction.h
@@ -2,13 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_STORE_TRANSACTION_H_
-#define COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_STORE_TRANSACTION_H_
+#ifndef SERVICES_PREFERENCES_TRACKED_PREF_HASH_STORE_TRANSACTION_H_
+#define SERVICES_PREFERENCES_TRACKED_PREF_HASH_STORE_TRANSACTION_H_
 
 #include <string>
 #include <vector>
 
 #include "base/strings/string_piece.h"
+#include "services/preferences/public/interfaces/tracked_preference_validation_delegate.mojom.h"
 
 namespace base {
 class DictionaryValue;
@@ -18,30 +19,6 @@ class Value;
 // Used to perform a series of checks/transformations on a PrefHashStore.
 class PrefHashStoreTransaction {
  public:
-  enum ValueState {
-    // The preference value corresponds to its stored hash.
-    UNCHANGED,
-    // The preference has been cleared since the last hash.
-    CLEARED,
-    // The preference value corresponds to its stored hash, but the hash was
-    // calculated using a deprecated hash algorithm which is just as safe as
-    // the current one.
-    SECURE_LEGACY,
-    // The preference value has been changed since the last hash.
-    CHANGED,
-    // No stored hash exists for the preference value.
-    UNTRUSTED_UNKNOWN_VALUE,
-    // No stored hash exists for the preference value, but the current set of
-    // hashes stored is trusted and thus this value can safely be seeded. This
-    // happens when all hashes are already properly seeded and a newly
-    // tracked value needs to be seeded).
-    TRUSTED_UNKNOWN_VALUE,
-    // NULL values are inherently trusted.
-    TRUSTED_NULL_VALUE,
-    // This transaction's store type is not supported.
-    UNSUPPORTED,
-  };
-
   // Finalizes any remaining work after the transaction has been performed.
   virtual ~PrefHashStoreTransaction() {}
 
@@ -50,8 +27,9 @@ class PrefHashStoreTransaction {
   virtual base::StringPiece GetStoreUMASuffix() const = 0;
 
   // Checks |initial_value| against the existing stored value hash.
-  virtual ValueState CheckValue(const std::string& path,
-                                const base::Value* initial_value) const = 0;
+  virtual prefs::mojom::TrackedPreferenceValidationDelegate::ValueState
+  CheckValue(const std::string& path,
+             const base::Value* initial_value) const = 0;
 
   // Stores a hash of the current |value| of the preference at |path|.
   virtual void StoreHash(const std::string& path, const base::Value* value) = 0;
@@ -62,10 +40,10 @@ class PrefHashStoreTransaction {
   // will not be modified unless the return value is CHANGED, in which case it
   // will be filled with the keys that are considered invalid (unknown or
   // changed).
-  virtual ValueState CheckSplitValue(
-      const std::string& path,
-      const base::DictionaryValue* initial_split_value,
-      std::vector<std::string>* invalid_keys) const = 0;
+  virtual prefs::mojom::TrackedPreferenceValidationDelegate::ValueState
+  CheckSplitValue(const std::string& path,
+                  const base::DictionaryValue* initial_split_value,
+                  std::vector<std::string>* invalid_keys) const = 0;
 
   // Stores hashes for the |value| of the split preference at |path|.
   // |split_value| being an empty dictionary or NULL is equivalent.
@@ -99,4 +77,4 @@ class PrefHashStoreTransaction {
   virtual bool StampSuperMac() = 0;
 };
 
-#endif  // COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_STORE_TRANSACTION_H_
+#endif  // SERVICES_PREFERENCES_TRACKED_PREF_HASH_STORE_TRANSACTION_H_