Add AppWindow.setVisibleOnAllWorkspaces.

chrome/browser/extensions/api/app_window/app_window_api.cc

Index: chrome/browser/extensions/api/app_window/app_window_api.cc
diff --git a/chrome/browser/extensions/api/app_window/app_window_api.cc b/chrome/browser/extensions/api/app_window/app_window_api.cc
index 767f2f0c2d4cb8c9a17f56cdb7977bf897073267..fe9f4b1a30e9d0347d95bf205273560203f3173c 100644
--- a/chrome/browser/extensions/api/app_window/app_window_api.cc
+++ b/chrome/browser/extensions/api/app_window/app_window_api.cc
@@ -56,6 +56,8 @@ const char kAlphaEnabledMissingPermission[] =
     "The alphaEnabled option requires app.window.alpha permission.";
 const char kAlphaEnabledNeedsFrameNone[] =
     "The alphaEnabled option can only be used with \"frame: 'none'\".";
+const char kVisibleOnAllWorkspacesWrongChannel[] =
+    "The visibleOnAllWorkspaces option requires dev channel or newer.";
 }  // namespace app_window_constants
 
 const char kNoneFrameOption[] = "none";
@@ -257,6 +259,15 @@ bool AppWindowCreateFunction::RunAsync() {
     if (options->focused.get())
       create_params.focused = *options->focused.get();
 
+    if (options->visible_on_all_workspaces.get()) {
+      if (AppsClient::Get()->IsCurrentChannelOlderThanDev()) {
+        error_ = app_window_constants::kVisibleOnAllWorkspacesWrongChannel;
+        return false;
+      }
+      create_params.visible_on_all_workspaces =
+          *options->visible_on_all_workspaces.get();
+    }
+
     if (options->type != extensions::api::app_window::WINDOW_TYPE_PANEL) {
       switch (options->state) {
         case extensions::api::app_window::STATE_NONE: