add missing externs to repo

externs/webextension_polyfill/experiments/APIChildScope.hx

@@ -0,0 +1,3 @@
+package webextension_polyfill.experiments;
+
+typedef APIChildScope = String;

externs/webextension_polyfill/experiments/APIEvent.hx

@@ -0,0 +1,3 @@
+package webextension_polyfill.experiments;
+
+typedef APIEvent = String;

externs/webextension_polyfill/experiments/APIEvents.hx

@@ -0,0 +1,3 @@
+package webextension_polyfill.experiments;
+
+typedef APIEvents = Array<String>;

externs/webextension_polyfill/experiments/APIParentScope.hx

@@ -0,0 +1,3 @@
+package webextension_polyfill.experiments;
+
+typedef APIParentScope = String;

externs/webextension_polyfill/experiments/APIPath.hx

@@ -0,0 +1,3 @@
+package webextension_polyfill.experiments;
+
+typedef APIPath = Array<String>;

externs/webextension_polyfill/experiments/APIPaths.hx

@@ -0,0 +1,3 @@
+package webextension_polyfill.experiments;
+
+typedef APIPaths = Array<APIPath>;

externs/webextension_polyfill/experiments/ExperimentAPI.hx

@@ -0,0 +1,15 @@
+package webextension_polyfill.experiments;
+
+typedef ExperimentAPI = {
+	var schema : String;
+	/**
+		Optional.
+	**/
+	@:optional
+	var parent : ExperimentAPIParentType;
+	/**
+		Optional.
+	**/
+	@:optional
+	var child : ExperimentAPIChildType;
+};

externs/webextension_polyfill/experiments/ExperimentAPIChildType.hx

@@ -0,0 +1,7 @@
+package webextension_polyfill.experiments;
+
+typedef ExperimentAPIChildType = {
+	var paths : APIPaths;
+	var script : String;
+	var scopes : Array<APIChildScope>;
+};

externs/webextension_polyfill/experiments/ExperimentAPIParentType.hx

@@ -0,0 +1,20 @@
+package webextension_polyfill.experiments;
+
+typedef ExperimentAPIParentType = {
+	/**
+		Optional.
+	**/
+	@:optional
+	var events : APIEvents;
+	/**
+		Optional.
+	**/
+	@:optional
+	var paths : APIPaths;
+	var script : String;
+	/**
+		Optional.
+	**/
+	@:optional
+	var scopes : Array<APIParentScope>;
+};

externs/webextension_polyfill/experiments/ExperimentURL.hx

@@ -0,0 +1,3 @@
+package webextension_polyfill.experiments;
+
+typedef ExperimentURL = String;

externs/webextension_polyfill/experiments/Static.hx

@@ -0,0 +1,3 @@
+package webextension_polyfill.experiments;
+
+typedef Static = { };