Support "Report Issue" in case of no-browser windows in ChromeOS.

chrome/browser/ui/views/ash/chrome_shell_delegate.cc

Index: chrome/browser/ui/views/ash/chrome_shell_delegate.cc
diff --git a/chrome/browser/ui/views/ash/chrome_shell_delegate.cc b/chrome/browser/ui/views/ash/chrome_shell_delegate.cc
index 9901c4ce283e92cc06513d10ab36405b766d82ed..7b5b03244fdc314d723956ef1e9f6b2a8770035a 100644
--- a/chrome/browser/ui/views/ash/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/views/ash/chrome_shell_delegate.cc
@@ -323,6 +323,11 @@ aura::client::UserActionClient* ChromeShellDelegate::CreateUserActionClient() {
   return new UserActionHandler;
 }
 
+void ChromeShellDelegate::OpenFeedbackPage() {
+  Browser* browser = GetTargetBrowser();
+  chrome::OpenFeedbackDialog(browser);
+}
+
 void ChromeShellDelegate::Observe(int type,
                                   const content::NotificationSource& source,
                                   const content::NotificationDetails& details) {