Add the Play Store app search to the launcher.

components/arc/common/app.mojom

 // 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.
 //
 // Next MinVersion: 20

[Luis Héctor Chávez, 2017/06/16 22:24:35]

Next MinVersion: 21

[Jiaquan He, 2017/06/22 04:30:04]

Done.

 
 module arc.mojom;
 
 import "scale_factor.mojom";
 import "screen_rect.mojom";
 
 // Describes OrientationLock request.
 // Note: ChromeOS currently assumes the internal panel is always landscape.
 // All rotation angles mentioned here are measured clockwise.
 [Extensible]
@@ skipping 52 matching lines @@
 // Page for ShowPackageInfoOnPage.
 [Extensible]
 enum ShowPackageInfoPage {
   // The main package info page.
   MAIN = 0,
 
   // Page for managing links assigned to the app.
   MANAGE_LINKS = 1,
 };
 
+// Describes a Play Store app discovery result.
+struct AppDiscoveryResult {
+  string launch_intent_uri;

[Luis Héctor Chávez, 2017/06/19 17:51:53]

All the strings seem to be optional from the Android-side change. make them all
"string?", please.

[Jiaquan He, 2017/06/22 04:30:04]

Done.

+  string install_intent_uri;
+  string label;
+  bool is_instant_app;
+  bool is_recent;
+  string publisher_name;
+  array<uint8> icon_png_data;
+};
+
 // Next method ID: 18

[Luis Héctor Chávez, 2017/06/16 22:24:35]

Next method ID: 19

[Jiaquan He, 2017/06/22 04:30:04]

Done.

 interface AppHost {
   // Sends newly added ARC app to Chrome. This message is sent when ARC receives
   // package added notification. Multiple apps may be added in the one package.
   [MinVersion=1] OnAppAddedDeprecated@2(AppInfo app);
 
   // Receives an icon of required |scale_factor| for specific ARC app. The app
   // is defined by |package_name| and |activity|. The icon content cannot be
   // empty and must match to |scale_factor| assuming 48x48 for
   // SCALE_FACTOR_100P.  |scale_factor| is an enum defined at ui/base/layout.h.
   // |icon_png_data| is a png-encoded image.
@@ skipping 137 matching lines @@
   [MinVersion=10] ShowPackageInfoOnPage@15(string package_name,
                                            ShowPackageInfoPage page,
                                            ScreenRect dimension_on_screen);
 
   // Sets notification setting for the package.
   [MinVersion=6] SetNotificationsEnabled@10(string package_name, bool enabled);
 
   // Sends a request to ARC to uninstall the given package.  Error (if ever
   // happens) is ignored, and uninstall option should appear in the UI.
   [MinVersion=2] UninstallPackage@5(string package_name);
+
+  // Starts a query for Play Store apps.
+  [MinVersion=18] GetRecentAndSuggestedAppsFromPlayStore@16(

[Luis Héctor Chávez, 2017/06/16 22:24:35]

MinVersion=20

[Jiaquan He, 2017/06/22 04:30:04]

Done.

+      string query, int32 max_results) =>
+          (array<AppDiscoveryResult> results);
 };