Allow arc app to lock screen orientation in TouchView/Tablet mode

chrome/browser/ui/app_list/arc/arc_app_list_prefs.h

Index: chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
diff --git a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
index c4f9f2fb95ce72f415003b323b02b391fb8b4f80..ce6b1928c5d4467469c35d15047c33068e9ce331 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
+++ b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
@@ -60,7 +60,8 @@ class ArcAppListPrefs : public KeyedService,
             bool notifications_enabled,
             bool ready,
             bool showInLauncher,
-            bool shortcut);
+            bool shortcut,
+            arc::mojom::OrientationLock orientation_lock);
     ~AppInfo();
 
     std::string name;
@@ -74,6 +75,7 @@ class ArcAppListPrefs : public KeyedService,
     bool ready;
     bool showInLauncher;
     bool shortcut;
+    arc::mojom::OrientationLock orientation_lock;
   };
 
   struct PackageInfo {
@@ -118,6 +120,10 @@ class ArcAppListPrefs : public KeyedService,
     virtual void OnNotificationsEnabledChanged(
         const std::string& package_name, bool enabled) {}
 
+    virtual void OnTaskOrientationLockRequested(
+        int32_t task_id,
+        const arc::mojom::OrientationLock orientation_lock) {}
+
    protected:
     virtual ~Observer() {}
   };
@@ -225,6 +231,9 @@ class ArcAppListPrefs : public KeyedService,
   void OnPackageModified(arc::mojom::ArcPackageInfoPtr package_info) override;
   void OnPackageListRefreshed(
       mojo::Array<arc::mojom::ArcPackageInfoPtr> packages) override;
+  void OnTaskOrientationLockRequested(
+      int32_t task_id,
+      const arc::mojom::OrientationLock orientation_lock) override;
 
   void AddAppAndShortcut(const std::string& name,
                          const std::string& package_name,
@@ -233,7 +242,8 @@ class ArcAppListPrefs : public KeyedService,
                          const std::string& icon_resource_id,
                          const bool sticky,
                          const bool notifications_enabled,
-                         const bool shortcut);
+                         const bool shortcut,
+                         arc::mojom::OrientationLock orientation_lock);
   void DisableAllApps();
   void RemoveAllApps();
   std::vector<std::string> GetAppIdsNoArcEnabledCheck() const;