Let Chrome app handle Ash accelerators first if the app is launched as a window

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 368d7981a135db1b5955f0d4b5efdc1996df9cc1..39f43b541c14efba6d1c08c9f6e7296ee65f220e 100644
--- a/chrome/browser/ui/views/ash/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/views/ash/chrome_shell_delegate.cc
@@ -115,6 +115,19 @@ void ChromeShellDelegate::NewWindow(bool is_incognito) {
       is_incognito ? profile->GetOffTheRecordProfile() : profile);
 }
 
+bool ChromeShellDelegate::IsBrowserWindow(const aura::Window* window) {
+  for (BrowserList::const_iterator iter = BrowserList::begin();
+       iter != BrowserList::end();
+       ++iter) {
+    Browser* browser = *iter;
+    if (browser && browser->window() &&
+        browser->window()->GetNativeHandle() == window) {
+      return true;
+    }
+  }
+  return false;
+}
+
 void ChromeShellDelegate::Search() {
   // Exit fullscreen to show omnibox.
   Browser* last_active = BrowserList::GetLastActive();