[sensors] Add Permission guard to the generic sensor apis.

components/content_settings/core/browser/content_settings_registry.cc

Index: components/content_settings/core/browser/content_settings_registry.cc
diff --git a/components/content_settings/core/browser/content_settings_registry.cc b/components/content_settings/core/browser/content_settings_registry.cc
index b782ec646173a949210f44b1c3808b32abfcce2a..9497a44d5d8373ae30ecca8bbe4dc6e368a8ce4e 100644
--- a/components/content_settings/core/browser/content_settings_registry.cc
+++ b/components/content_settings/core/browser/content_settings_registry.cc
@@ -237,6 +237,15 @@ void ContentSettingsRegistry::Init() {
                WebsiteSettingsRegistry::PLATFORM_ANDROID,
            ContentSettingsInfo::INHERIT_IF_LESS_PERMISSIVE);
 
+  Register(CONTENT_SETTINGS_TYPE_SENSORS, "sensors", CONTENT_SETTING_ASK,
+           WebsiteSettingsInfo::SYNCABLE, WhitelistedSchemes(),
+           ValidSettings(CONTENT_SETTING_ALLOW, CONTENT_SETTING_BLOCK,
+                         CONTENT_SETTING_ASK),
+           WebsiteSettingsInfo::REQUESTING_ORIGIN_AND_TOP_LEVEL_ORIGIN_SCOPE,
+           WebsiteSettingsRegistry::DESKTOP |
+               WebsiteSettingsRegistry::PLATFORM_ANDROID,
+           ContentSettingsInfo::INHERIT_IN_INCOGNITO);
+
   Register(CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER,
            "protected-media-identifier", CONTENT_SETTING_ASK,
            WebsiteSettingsInfo::UNSYNCABLE, WhitelistedSchemes(),