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

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

Index: third_party/WebKit/Source/modules/ballista/Actions.cpp
diff --git a/third_party/WebKit/Source/modules/ballista/Actions.cpp b/third_party/WebKit/Source/modules/ballista/Actions.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..076eb74730321df67656bb430202b3ec61a6126d
--- /dev/null
+++ b/third_party/WebKit/Source/modules/ballista/Actions.cpp
@@ -0,0 +1,55 @@
+// 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 "modules/ballista/Actions.h"
+
+#include "core/dom/DOMException.h"
+#include "core/dom/ExceptionCode.h"
+#include "mojo/public/cpp/bindings/string.h"
+#include "public/platform/Platform.h"
+#include "wtf/PassOwnPtr.h"
+
+namespace blink {
+
+Actions::BallistaClientImpl::BallistaClientImpl(ScriptPromiseResolver* resolver)
+    : m_resolver(resolver)
+{
+}
+
+void Actions::BallistaClientImpl::bind(const mojo::String& error) {
+    if (error.is_null())
+        m_resolver->resolve();
+    else
+        m_resolver->reject(DOMException::create(AbortError, String::fromUTF8(error.data(), error.size())));
+}
+
+Actions::~Actions() = default;
+
+ScriptPromise Actions::share(ScriptState* scriptState, const String& title, const String& text)
+{
+    if (!m_service)
+        Platform::current()->connectToRemoteService(mojo::GetProxy(&m_service));
+
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
+    BallistaClientImpl* client = new BallistaClientImpl(resolver);
+    m_clients.add(client);
+    ScriptPromise promise = resolver->promise();
+
+    mojo::String titleMojo(title.utf8().data());
+    mojo::String textMojo(text.utf8().data());
+    m_service->Share(titleMojo, textMojo, [this, client](const mojo::String& error) {

[Sam McNally, 2016/04/01 02:51:25]

Use sameThreadBindForMojo() to bind.

[Matt Giuca, 2016/04/12 06:12:21]

Done.

+        if (m_clients.contains(client)) {
+            client->bind(error);
+            m_clients.remove(client);
+        }
+    });
+
+    return promise;
+}
+
+Actions::Actions()
+{
+}
+
+} // namespace blink