arc: Set custom icon in shelf for ARC apps.

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: 19
+// Next MinVersion: 20
 
 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,
 };
 
-// Next method ID: 17
+// Next method ID: 18
 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 26 matching lines @@
 
   // Sends information about newly created task |package_name| and |activity|
   // specifies launch activity and |intent| is initial intent used to start
   // new task.
   [MinVersion=4] OnTaskCreated@4(int32 task_id@0,
                                  string package_name@1,
                                  string activity@2,
                                  [MinVersion=13] string? name@3,
                                  [MinVersion=15] string? intent@4);
 
+  // Sends task label and icon.
+  [MinVersion=19] OnTaskDescriptionUpdated@17(int32 task_id,
+                                              string label,
+                                              array<uint8> icon_png_data);
+
   // Notifies that task has been destroyed.
   [MinVersion=4] OnTaskDestroyed@5(int32 task_id);
 
+  // Notifies that task requested orientation lock.
+  [MinVersion=12] OnTaskOrientationLockRequested@12(int32 task_id,
+                                                    OrientationLock lock);
+
   // Notifies that task has been activated.
   [MinVersion=4] OnTaskSetActive@6(int32 task_id);
 
   // Notifies that notifications enabled settings in Android is changed.
   [MinVersion=7] OnNotificationsEnabledChanged@7(string package_name,
                                                  bool enabled);
 
   // Notifies that an application shortcut needs to be created.
   [MinVersion=9] OnInstallShortcut@11(ShortcutInfo shortcut);
 
   // Notifies that Play Store installation has been started. |package_name|
   // specifies installation package
   [MinVersion=16] OnInstallationStarted@14(
       [MinVersion=17] string? package_name@0);
 
   // Notifies that Play Store installation is finished. |result| contains
   // details of installation result.
   [MinVersion=16] OnInstallationFinished@15(
       [MinVersion=17] InstallationResult? result@1);
 
-  // Notifies that task requested orientation lock.
-  [MinVersion=12] OnTaskOrientationLockRequested@12(int32 task_id,
-                                                    OrientationLock lock);
-
   // Notifies that an application shortcut needs to be deleted. Shortcut is
   // defined by its |intent_uri| and |package_name|.
   [MinVersion=18] OnUninstallShortcut@16(string package_name,
                                          string intent_uri);
 };
 
 // TODO(lhchavez): Migrate all request/response messages to Mojo.
 // Next method ID: 16
 // Deprecated method ID: 9
 interface AppInstance {
@@ skipping 60 matching lines @@
                                            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);
 };