Add an iframe permissions= attribute for implementing permission delegation

third_party/WebKit/Source/core/html/HTMLIFrameElementTest.cpp

+// Copyright 2016 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 "core/html/HTMLIFrameElement.h"
+
+#include "core/dom/Document.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+TEST(HTMLIFrameElementTest, SetPermissionsAttribute)
+{
+    Document* document = Document::create();
+    HTMLIFrameElement* iframe = HTMLIFrameElement::create(*document);
+
+    // Test setting via the Element attribute (HTML codepath).
+    iframe->setAttribute(HTMLNames::permissionsAttr, "geolocation");
+    EXPECT_EQ("geolocation", iframe->permissions()->value());
+    iframe->setAttribute(HTMLNames::permissionsAttr, "geolocation notifications");
+    EXPECT_EQ("geolocation notifications", iframe->permissions()->value());
+
+    // Test setting via the DOMTokenList (JS codepath).
+    iframe->permissions()->setValue("midi");
+    EXPECT_EQ("midi", iframe->getAttribute(HTMLNames::permissionsAttr));
+}
+
+} // namespace blink