chromeos: Make "mobile network" and "set time" dialogs work with mash

chrome/browser/chromeos/ui/choose_mobile_network_dialog.cc

Index: chrome/browser/chromeos/ui/choose_mobile_network_dialog.cc
diff --git a/chrome/browser/chromeos/ui/choose_mobile_network_dialog.cc b/chrome/browser/chromeos/ui/choose_mobile_network_dialog.cc
index 0da2c86936efd7041d7299b9229ebd4579b47eba..4ecc1cfc3f24d6444844572281513686534ed2d2 100644
--- a/chrome/browser/chromeos/ui/choose_mobile_network_dialog.cc
+++ b/chrome/browser/chromeos/ui/choose_mobile_network_dialog.cc
@@ -4,7 +4,9 @@
 
 #include "chrome/browser/chromeos/ui/choose_mobile_network_dialog.h"
 
+#include "ash/public/cpp/shell_window_ids.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/ui/ash/web_dialog_util.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/common/url_constants.h"
 #include "ui/gfx/geometry/size.h"
@@ -29,6 +31,14 @@ void ChooseMobileNetworkDialog::ShowDialog(gfx::NativeWindow owning_window) {
                         new ChooseMobileNetworkDialog);
 }
 
+// static
+void ChooseMobileNetworkDialog::ShowDialogInContainer(int container_id) {
+  DCHECK_NE(container_id, ash::kShellWindowId_Invalid);

[msw, 2016/10/24 22:18:09]

q: only a couple ids are really expected here, right? Check for those?

[James Cook, 2016/10/25 00:29:04]

Good idea. Done.

+  chrome::ShowWebDialogInContainer(container_id,
+                                   ProfileManager::GetActiveUserProfile(),
+                                   new ChooseMobileNetworkDialog);
+}
+
 ChooseMobileNetworkDialog::ChooseMobileNetworkDialog() {
 }