Added RequestAdsEnabledApi feature and mojom interface.

fix brave/brave-browser#16964

Author: aseren

components/brave_ads/common/BUILD.gn

@@ -1,3 +1,11 @@
+import("//mojo/public/tools/bindings/mojom.gni")
+
+mojom("mojom") {
+  sources = [ "brave_ads_host.mojom" ]
+
+  deps = [ "//mojo/public/mojom/base" ]
+}
+
 static_library("common") {
   sources = [
     "features.cc",

components/brave_ads/common/brave_ads_host.mojom

@@ -0,0 +1,5 @@
+module brave_ads.mojom;
+
+interface BraveAdsHost {
+  RequestAdsEnabled() => (bool result);
+};

components/brave_ads/common/features.cc

@@ -16,6 +16,9 @@ const base::Feature kAdNotifications{"AdNotifications",
 const base::Feature kCustomAdNotifications{"CustomAdNotifications",
                                            base::FEATURE_DISABLED_BY_DEFAULT};
 
+const base::Feature kRequestAdsEnabledApi{"RequestAdsEnabledApi",
+                                          base::FEATURE_DISABLED_BY_DEFAULT};
+
 namespace {
 
 // Set to true to fallback to custom ad notifications if native notifications
@@ -169,5 +172,9 @@ int AdNotificationInsetY() {
 
 #endif  // !defined(OS_ANDROID)
 
+bool IsRequestAdsEnabledApiEnabled() {
+  return base::FeatureList::IsEnabled(kRequestAdsEnabledApi);
+}
+
 }  // namespace features
 }  // namespace brave_ads

components/brave_ads/common/features.h

@@ -35,6 +35,10 @@ double AdNotificationNormalizedDisplayCoordinateY();
 int AdNotificationInsetY();
 #endif  // !defined(OS_ANDROID)
 
+extern const base::Feature kRequestAdsEnabledApi;
+
+bool IsRequestAdsEnabledApiEnabled();
+
 }  // namespace features
 }  // namespace brave_ads