Implemented stub ShareService mojo service, for navigator.share.

content/browser/webshare/share_service_impl.cc

Index: content/browser/webshare/share_service_impl.cc
diff --git a/content/browser/webshare/share_service_impl.cc b/content/browser/webshare/share_service_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5232c6c51ca7ffaa720e2ec37a1e7c0bcb63379a
--- /dev/null
+++ b/content/browser/webshare/share_service_impl.cc
@@ -0,0 +1,28 @@
+// 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 "content/browser/webshare/share_service_impl.h"
+
+namespace content {
+
+ShareServiceImpl::ShareServiceImpl(blink::mojom::ShareServiceRequest request)
+    : binding_(this) {
+  binding_.Bind(std::move(request));
+}
+
+ShareServiceImpl::~ShareServiceImpl() {}
+
+// static
+void ShareServiceImpl::Create(mojo::InterfaceRequest<ShareService> request) {
+  new ShareServiceImpl(std::move(request));
+}
+
+void ShareServiceImpl::Share(const mojo::String& title,
+                             const mojo::String& text,
+                             const GURL& url,
+                             const ShareCallback& callback) {
+  NOTIMPLEMENTED() << "Share called";
+  callback.Run("Not implemented: navigator.share");
+}
+}