Add the Play Store app search to the launcher.

chrome/browser/ui/app_list/search/playstore/mojo/app_discovery_result_traits.cc

+// Copyright 2017 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 "chrome/browser/ui/app_list/search/playstore/mojo/app_discovery_result_traits.h"
+
+namespace mojo {
+
+bool StructTraits<arc::mojom::AppDiscoveryResultDataView,
+                  app_list::PlayStoreSearchResultUniquePtr>::
+    Read(arc::mojom::AppDiscoveryResultDataView data,
+         app_list::PlayStoreSearchResultUniquePtr* out) {
+  base::Optional<std::string> launch_intent_uri;
+  if (!data.ReadLaunchIntentUri(&launch_intent_uri))
+    return false;
+
+  base::Optional<std::string> install_intent_uri;
+  if (!data.ReadInstallIntentUri(&install_intent_uri))
+    return false;
+
+  base::Optional<std::string> label;
+  if (!data.ReadLabel(&label))
+    return false;
+
+  base::Optional<std::string> publisher_name;
+  if (!data.ReadPublisherName(&publisher_name))
+    return false;
+
+  base::Optional<std::string> formatted_price;
+  if (!data.ReadFormattedPrice(&formatted_price))
+    return false;
+
+  std::vector<uint8_t> icon_png_data;
+  if (!data.ReadIconPngData(&icon_png_data))
+    return false;
+
+  *out = base::MakeUnique<app_list::PlayStoreSearchResult>(
+      std::move(launch_intent_uri), std::move(install_intent_uri),
+      std::move(label), data.is_instant_app(), data.is_recent(),
+      std::move(publisher_name), std::move(formatted_price),
+      data.review_score(), std::move(icon_png_data));
+  return true;
+}
+
+}  // namespace mojo