LibWeb: Stub out the PerformanceTiming object from Navigation Timing

Just have all the timing functions return 0 for now.

We can now run the Shynet JS on https://linus.dev/ although the XHR
is rejected by our same-origin policy.

Userland/Libraries/LibWeb/NavigationTiming/PerformanceTiming.cpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <LibWeb/DOM/Window.h>
+#include <LibWeb/NavigationTiming/PerformanceTiming.h>
+
+namespace Web::NavigationTiming {
+
+PerformanceTiming::PerformanceTiming(DOM::Window& window)
+    : m_window(window)
+{
+}
+
+PerformanceTiming::~PerformanceTiming()
+{
+}
+
+void PerformanceTiming::ref()
+{
+    m_window.ref();
+}
+
+void PerformanceTiming::unref()
+{
+    m_window.unref();
+}
+
+}

Userland/Libraries/LibWeb/NavigationTiming/PerformanceTiming.h

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/StdLibExtras.h>
+#include <LibWeb/Bindings/Wrappable.h>
+
+namespace Web::NavigationTiming {
+
+class PerformanceTiming final : public Bindings::Wrappable {
+public:
+    using WrapperType = Bindings::PerformanceTimingWrapper;
+    using AllowOwnPtr = AK::TrueType;
+
+    explicit PerformanceTiming(DOM::Window&);
+    ~PerformanceTiming();
+
+    void ref();
+    void unref();
+
+    u32 navigation_start() { return 0; }
+    u32 unload_event_start() { return 0; }
+    u32 unload_event_end() { return 0; }
+    u32 redirect_start() { return 0; }
+    u32 redirect_end() { return 0; }
+    u32 fetch_start() { return 0; }
+    u32 domain_lookup_start() { return 0; }
+    u32 domain_lookup_end() { return 0; }
+    u32 connect_start() { return 0; }
+    u32 connect_end() { return 0; }
+    u32 secure_connection_start() { return 0; }
+    u32 request_start() { return 0; }
+    u32 response_start() { return 0; }
+    u32 response_end() { return 0; }
+    u32 dom_loading() { return 0; }
+    u32 dom_interactive() { return 0; }
+    u32 dom_content_loaded_event_start() { return 0; }
+    u32 dom_content_loaded_event_end() { return 0; }
+    u32 dom_complete() { return 0; }
+    u32 load_event_start() { return 0; }
+    u32 load_event_end() { return 0; }
+
+private:
+    DOM::Window& m_window;
+};
+
+}

Userland/Libraries/LibWeb/NavigationTiming/PerformanceTiming.idl

@@ -0,0 +1,25 @@
+interface PerformanceTiming {
+
+    readonly attribute unsigned long navigationStart;
+    readonly attribute unsigned long unloadEventStart;
+    readonly attribute unsigned long unloadEventEnd;
+    readonly attribute unsigned long redirectStart;
+    readonly attribute unsigned long redirectEnd;
+    readonly attribute unsigned long fetchStart;
+    readonly attribute unsigned long domainLookupStart;
+    readonly attribute unsigned long domainLookupEnd;
+    readonly attribute unsigned long connectStart;
+    readonly attribute unsigned long connectEnd;
+    readonly attribute unsigned long secureConnectionStart;
+    readonly attribute unsigned long requestStart;
+    readonly attribute unsigned long responseStart;
+    readonly attribute unsigned long responseEnd;
+    readonly attribute unsigned long domLoading;
+    readonly attribute unsigned long domInteractive;
+    readonly attribute unsigned long domContentLoadedEventStart;
+    readonly attribute unsigned long domContentLoadedEventEnd;
+    readonly attribute unsigned long domComplete;
+    readonly attribute unsigned long loadEventStart;
+    readonly attribute unsigned long loadEventEnd;
+
+};