getInstalledRelatedApps: Add browser-side Mojo service (stub).

third_party/WebKit/Source/modules/installedapp/InstalledAppController.cpp

Index: third_party/WebKit/Source/modules/installedapp/InstalledAppController.cpp
diff --git a/third_party/WebKit/Source/modules/installedapp/InstalledAppController.cpp b/third_party/WebKit/Source/modules/installedapp/InstalledAppController.cpp
index 66ac9ff72ff4fa788e2cbf77050c09d5d9e58cb8..d6657527e72e3441594abe3c3600fb4cf3ddd754 100644
--- a/third_party/WebKit/Source/modules/installedapp/InstalledAppController.cpp
+++ b/third_party/WebKit/Source/modules/installedapp/InstalledAppController.cpp
@@ -93,6 +93,7 @@ InstalledAppController::InstalledAppController(
     WebRelatedAppsFetcher* relatedAppsFetcher)
     : Supplement<LocalFrame>(frame),
       ContextLifecycleObserver(frame.document()),
+      m_frame(&frame),
       m_relatedAppsFetcher(relatedAppsFetcher) {}
 
 void InstalledAppController::contextDestroyed(ExecutionContext*) {
@@ -100,18 +101,55 @@ void InstalledAppController::contextDestroyed(ExecutionContext*) {
 }
 
 void InstalledAppController::filterByInstalledApps(
-    WTF::RefPtr<SecurityOrigin> /*origin*/,
-    const WebVector<WebRelatedApplication>& /*relatedApps*/,
-    std::unique_ptr<AppInstalledCallbacks> callbacks) {
-  // TODO(mgiuca): Call through to the browser to filter the list of
-  // applications down to just those that are installed on the device.
-  // For now, just return the empty list (no applications are installed).
-  callbacks->onSuccess(WebVector<WebRelatedApplication>());
+    WTF::RefPtr<SecurityOrigin> origin,
+    const blink::WebVector<blink::WebRelatedApplication>& relatedApps,
+    std::unique_ptr<blink::AppInstalledCallbacks> callbacks) {
+  WTF::Vector<mojom::blink::RelatedApplicationPtr> mojoRelatedApps;
+  for (const auto& relatedApplication : relatedApps) {
+    mojom::blink::RelatedApplicationPtr convertedApplication(
+        mojom::blink::RelatedApplication::New());
+    DCHECK(!relatedApplication.platform.isEmpty());
+    convertedApplication->platform = relatedApplication.platform;
+    convertedApplication->id = relatedApplication.id;
+    convertedApplication->url = relatedApplication.url;
+    mojoRelatedApps.push_back(std::move(convertedApplication));
+  }
+
+  if (!m_provider) {
+    DCHECK(m_frame);
+    m_frame->interfaceProvider()->getInterface(mojo::MakeRequest(&m_provider));
+    // TODO(mgiuca): Set a connection error handler. This requires a refactor to
+    // work like NavigatorShare.cpp (retain a persistent list of clients to
+    // reject all of their promises).
+    DCHECK(m_provider);
+  }
+
+  m_provider->FilterInstalledApps(
+      std::move(mojoRelatedApps), origin->toString(),
+      convertToBaseCallback(
+          WTF::bind(&InstalledAppController::OnFilterInstalledApps,
+                    wrapPersistent(this), WTF::passed(std::move(callbacks)))));
+}
+
+void InstalledAppController::OnFilterInstalledApps(
+    std::unique_ptr<blink::AppInstalledCallbacks> callbacks,
+    WTF::Vector<mojom::blink::RelatedApplicationPtr> result) {
+  std::vector<blink::WebRelatedApplication> applications;
+  for (const auto& res : result) {
+    blink::WebRelatedApplication app;
+    app.platform = res->platform;
+    app.url = res->url;
+    app.id = res->id;
+    applications.push_back(app);
+  }
+  callbacks->onSuccess(
+      blink::WebVector<blink::WebRelatedApplication>(applications));
 }
 
 DEFINE_TRACE(InstalledAppController) {
   Supplement<LocalFrame>::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
+  visitor->trace(m_frame);
 }
 
 }  // namespace blink