Update device permissions dialog ui for Chrome apps and extensions

chrome/browser/ui/views/extensions/chooser_dialog_view.cc

Index: chrome/browser/ui/views/extensions/chooser_dialog_view.cc
diff --git a/chrome/browser/ui/views/extensions/chooser_dialog_view.cc b/chrome/browser/ui/views/extensions/chooser_dialog_view.cc
index ed79e648a9e1f9aaa11ad1e0d048289288dfbf5a..3e0e84d5e74a52c5e7ee1d3b63b82482a5eaf9b7 100644
--- a/chrome/browser/ui/views/extensions/chooser_dialog_view.cc
+++ b/chrome/browser/ui/views/extensions/chooser_dialog_view.cc
@@ -5,8 +5,11 @@
 #include "chrome/browser/ui/views/extensions/chooser_dialog_view.h"
 
 #include "base/strings/utf_string_conversions.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/chooser_controller/chooser_controller.h"
+#include "chrome/browser/extensions/api/chrome_device_permissions_prompt.h"
 #include "chrome/browser/extensions/chrome_extension_chooser_dialog.h"
+#include "chrome/browser/extensions/device_permissions_dialog_controller.h"
 #include "chrome/browser/ui/views/chooser_content_view.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
@@ -130,3 +133,22 @@ void ChromeExtensionChooserDialog::ShowDialogImpl(
         new ChooserDialogView(std::move(chooser_controller)), web_contents_);
   }
 }
+
+void ChromeDevicePermissionsPrompt::ShowDialogViews() {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
+  std::unique_ptr<ChooserController> chooser_controller(
+      new DevicePermissionsDialogController(web_contents()->GetMainFrame(),
+                                            prompt()));
+
+  web_modal::WebContentsModalDialogManager* manager =
+      web_modal::WebContentsModalDialogManager::FromWebContents(web_contents());

[sky, 2016/11/28 23:13:21]

How is it possible to end up here with no WebContentsModalDialogManager? If you
call Dismissed, why do you need to create ChooserController? And how do you know
the delay is the right thing?

[juncai, 2016/11/29 18:10:08]

Done.

+  if (manager) {
+    constrained_window::ShowWebModalDialogViews(
+        new ChooserDialogView(std::move(chooser_controller)), web_contents());
+  } else {
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE,
+        base::Bind(&DevicePermissionsPrompt::Prompt::Dismissed, prompt()));
+  }
+}