Implement navigator.sendBeacon()

Source/modules/beacon/NavigatorBeacon.h

Index: Source/modules/beacon/NavigatorBeacon.h
diff --git a/Source/modules/beacon/NavigatorBeacon.h b/Source/modules/beacon/NavigatorBeacon.h
new file mode 100644
index 0000000000000000000000000000000000000000..a2e43c352af8356e54c71737dcf18cd04ff30da7
--- /dev/null
+++ b/Source/modules/beacon/NavigatorBeacon.h
@@ -0,0 +1,47 @@
+// Copyright 2014 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.
+
+#ifndef NavigatorBeacon_h
+#define NavigatorBeacon_h
+
+#include "core/frame/Navigator.h"
+#include "platform/Supplementable.h"
+#include "platform/heap/Handle.h"
+
+namespace WTF {
+class ArrayBufferView;
+}
+
+namespace WebCore {
+
+class Blob;
+class DOMFormData;
+class ExceptionState;
+class ExecutionContext;
+class KURL;
+
+class NavigatorBeacon FINAL : public NoBaseWillBeGarbageCollectedFinalized<NavigatorBeacon>, public WillBeHeapSupplement<Navigator> {

[abarth-chromium, 2014/04/10 18:25:14]

You shouldn't need to instantiate this object at all.  You can drop all these
base classes.

+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorBeacon);
+public:
+    virtual ~NavigatorBeacon() { }
+
+    static NavigatorBeacon& from(Navigator&);

[abarth-chromium, 2014/04/10 18:25:14]

You should be able to drop this function too.

+
+    static bool sendBeacon(ExecutionContext*, Navigator&, const String&, const String&, ExceptionState&);
+    static bool sendBeacon(ExecutionContext*, Navigator&, const String&, PassRefPtr<WTF::ArrayBufferView>, ExceptionState&);
+    static bool sendBeacon(ExecutionContext*, Navigator&, const String&, PassRefPtrWillBeRawPtr<Blob>, ExceptionState&);
+    static bool sendBeacon(ExecutionContext*, Navigator&, const String&, PassRefPtrWillBeRawPtr<DOMFormData>, ExceptionState&);
+
+    void trace(Visitor*) { }
+
+private:
+    NavigatorBeacon() { }
+    static const char* supplementName();
+
+    static bool isAllowedAccess(ExecutionContext*, const KURL&, ExceptionState&);
+};
+
+} // namespace WebCore
+
+#endif // NavigatorBeacon_h