Added Web Share (navigator.share) experimental web API (stub).

third_party/WebKit/Source/modules/ballista/NavigatorActions.cpp

Index: third_party/WebKit/Source/modules/ballista/NavigatorActions.cpp
diff --git a/third_party/WebKit/Source/modules/ballista/NavigatorActions.cpp b/third_party/WebKit/Source/modules/ballista/NavigatorActions.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..48f07c90879271c979a045bc2a2e3c8818d49239
--- /dev/null
+++ b/third_party/WebKit/Source/modules/ballista/NavigatorActions.cpp
@@ -0,0 +1,51 @@
+// Copyright 2015 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 "config.h"
+#include "modules/ballista/NavigatorActions.h"
+
+#include "core/frame/Navigator.h"
+#include "modules/ballista/Actions.h"
+
+namespace blink {
+
+NavigatorActions& NavigatorActions::from(Navigator& navigator)
+{
+    NavigatorActions* supplement = static_cast<NavigatorActions*>(HeapSupplement
+<Navigator>::from(navigator, supplementName()));
+    if (!supplement) {
+        supplement = new NavigatorActions();
+        provideTo(navigator, supplementName(), supplement);
+    }
+    return *supplement;
+}
+
+Actions* NavigatorActions::actions(Navigator& navigator)
+{
+    return NavigatorActions::from(navigator).actions();
+}
+
+Actions* NavigatorActions::actions()
+{
+    if (!m_actions)
+        m_actions = Actions::create();
+    return m_actions.get();
+}
+
+DEFINE_TRACE(NavigatorActions)
+{
+    visitor->trace(m_actions);
+    HeapSupplement<Navigator>::trace(visitor);
+}
+
+NavigatorActions::NavigatorActions()
+{
+}
+
+const char* NavigatorActions::supplementName()
+{
+    return "NavigatorActions";
+}
+
+} // namespace blink