Move tracked prefs into services/preferences/tracked.

services/preferences/tracked/tracked_preference_helper.cc

 // Copyright 2014 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.
 
-#include "components/user_prefs/tracked/tracked_preference_helper.h"
+#include "services/preferences/tracked/tracked_preference_helper.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/histogram_macros.h"
-#include "components/user_prefs/tracked/tracked_preference_histogram_names.h"
+#include "services/preferences/public/cpp/tracked/tracked_preference_histogram_names.h"
+
+using ValueState =
+    prefs::mojom::TrackedPreferenceValidationDelegate::ValueState;
 
 TrackedPreferenceHelper::TrackedPreferenceHelper(
     const std::string& pref_path,
     size_t reporting_id,
     size_t reporting_ids_count,
-    PrefHashFilter::EnforcementLevel enforcement_level,
-    PrefHashFilter::ValueType value_type)
+    prefs::mojom::TrackedPreferenceMetadata::EnforcementLevel enforcement_level,
+    prefs::mojom::TrackedPreferenceMetadata::ValueType value_type)
     : pref_path_(pref_path),
       reporting_id_(reporting_id),
       reporting_ids_count_(reporting_ids_count),
-      enforce_(enforcement_level ==
-               PrefHashFilter::EnforcementLevel::ENFORCE_ON_LOAD),
-      personal_(value_type == PrefHashFilter::ValueType::PERSONAL) {}
+      enforce_(enforcement_level == prefs::mojom::TrackedPreferenceMetadata::
+                                        EnforcementLevel::ENFORCE_ON_LOAD),
+      personal_(value_type ==
+                prefs::mojom::TrackedPreferenceMetadata::ValueType::PERSONAL) {}
 
 TrackedPreferenceHelper::ResetAction TrackedPreferenceHelper::GetAction(
-    PrefHashStoreTransaction::ValueState value_state) const {
+    ValueState value_state) const {
   switch (value_state) {
-    case PrefHashStoreTransaction::UNCHANGED:
+    case ValueState::UNCHANGED:
       // Desired case, nothing to do.
       return DONT_RESET;
-    case PrefHashStoreTransaction::CLEARED:
+    case ValueState::CLEARED:
       // Unfortunate case, but there is nothing we can do.
       return DONT_RESET;
-    case PrefHashStoreTransaction::TRUSTED_NULL_VALUE:  // Falls through.
-    case PrefHashStoreTransaction::TRUSTED_UNKNOWN_VALUE:
+    case ValueState::TRUSTED_NULL_VALUE:  // Falls through.
+    case ValueState::TRUSTED_UNKNOWN_VALUE:
       // It is okay to seed the hash in this case.
       return DONT_RESET;
-    case PrefHashStoreTransaction::SECURE_LEGACY:
+    case ValueState::SECURE_LEGACY:
       // Accept secure legacy device ID based hashes.
       return DONT_RESET;
-    case PrefHashStoreTransaction::UNSUPPORTED:
+    case ValueState::UNSUPPORTED:
       NOTREACHED()
           << "GetAction should not be called with an UNSUPPORTED value state";
       return DONT_RESET;
-    case PrefHashStoreTransaction::UNTRUSTED_UNKNOWN_VALUE:  // Falls through.
-    case PrefHashStoreTransaction::CHANGED:
+    case ValueState::UNTRUSTED_UNKNOWN_VALUE:  // Falls through.
+    case ValueState::CHANGED:
       return enforce_ ? DO_RESET : WANTED_RESET;
   }
-  NOTREACHED() << "Unexpected PrefHashStoreTransaction::ValueState: "
-               << value_state;
+  NOTREACHED() << "Unexpected ValueState: " << value_state;
   return DONT_RESET;
 }
 
 bool TrackedPreferenceHelper::IsPersonal() const {
   return personal_;
 }
 
 void TrackedPreferenceHelper::ReportValidationResult(
-    PrefHashStoreTransaction::ValueState value_state,
+    ValueState value_state,
     base::StringPiece validation_type_suffix) const {
   const char* histogram_name = nullptr;
   switch (value_state) {
-    case PrefHashStoreTransaction::UNCHANGED:
+    case ValueState::UNCHANGED:
       histogram_name = user_prefs::tracked::kTrackedPrefHistogramUnchanged;
       break;
-    case PrefHashStoreTransaction::CLEARED:
+    case ValueState::CLEARED:
       histogram_name = user_prefs::tracked::kTrackedPrefHistogramCleared;
       break;
-    case PrefHashStoreTransaction::SECURE_LEGACY:
+    case ValueState::SECURE_LEGACY:
       histogram_name =
           user_prefs::tracked::kTrackedPrefHistogramMigratedLegacyDeviceId;
       break;
-    case PrefHashStoreTransaction::CHANGED:
+    case ValueState::CHANGED:
       histogram_name = user_prefs::tracked::kTrackedPrefHistogramChanged;
       break;
-    case PrefHashStoreTransaction::UNTRUSTED_UNKNOWN_VALUE:
+    case ValueState::UNTRUSTED_UNKNOWN_VALUE:
       histogram_name = user_prefs::tracked::kTrackedPrefHistogramInitialized;
       break;
-    case PrefHashStoreTransaction::TRUSTED_UNKNOWN_VALUE:
+    case ValueState::TRUSTED_UNKNOWN_VALUE:
       histogram_name =
           user_prefs::tracked::kTrackedPrefHistogramTrustedInitialized;
       break;
-    case PrefHashStoreTransaction::TRUSTED_NULL_VALUE:
+    case ValueState::TRUSTED_NULL_VALUE:
       histogram_name =
           user_prefs::tracked::kTrackedPrefHistogramNullInitialized;
       break;
-    case PrefHashStoreTransaction::UNSUPPORTED:
+    case ValueState::UNSUPPORTED:
       NOTREACHED() << "ReportValidationResult should not be called with an "
                       "UNSUPPORTED value state";
       return;
   }
   DCHECK(histogram_name);
 
   std::string full_histogram_name(histogram_name);
   if (!validation_type_suffix.empty()) {
     full_histogram_name.push_back('.');
     validation_type_suffix.AppendToString(&full_histogram_name);
@@ skipping 28 matching lines @@
     size_t count) const {
   // The histogram below is an expansion of the UMA_HISTOGRAM_COUNTS_100 macro
   // adapted to allow for a dynamically suffixed histogram name.
   // Note: The factory creates and owns the histogram.
   base::HistogramBase* histogram = base::LinearHistogram::FactoryGet(
       user_prefs::tracked::kTrackedSplitPrefHistogramChanged + pref_path_, 1,
       100,  // Allow counts up to 100.
       101, base::HistogramBase::kUmaTargetedHistogramFlag);
   histogram->Add(count);
 }