base/android/base_feature_map.cc

   1 // Copyright 2023 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/android/base_features.h"
   6 #include "base/android/feature_map.h"
   7 #include "base/base_jni/BaseFeatureMap_jni.h"
   8 #include "base/no_destructor.h"
   9
  10 namespace base::android {
  11
  12 namespace {
  13
  14 // Array of features exposed through the Java BaseFeatureMap API. Entries in
  15 // this array refer to features defined in base_features.h.
  16 const base::Feature* const kFeaturesExposedToJava[] = {
  17     &features::kBrowserProcessMemoryPurge,
  18     &features::kCrashBrowserOnChildMismatchIfBrowserChanged,
  19     &features::kCrashBrowserOnAnyChildMismatch,
  20 };  // namespace
  21
  22 // static
  23 base::android::FeatureMap* GetFeatureMap() {
  24   static base::NoDestructor<base::android::FeatureMap> kFeatureMap(std::vector(
  25       std::begin(kFeaturesExposedToJava), std::end(kFeaturesExposedToJava)));
  26   return kFeatureMap.get();
  27 }
  28
  29 }  // namespace
  30
  31 static jlong JNI_BaseFeatureMap_GetNativeMap(JNIEnv* env) {
  32   return reinterpret_cast<jlong>(GetFeatureMap());
  33 }
  34
  35 }  // namespace base::android