Don't check ash accelerators in browser with mash.

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index fe8c83ef5cc8235e1cb3d251bbbdb321ce54450e..064a977017b3671d57c673ed38811ae8fca17714 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -1373,6 +1373,10 @@ bool BrowserView::PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                                          bool* is_keyboard_shortcut) {
   *is_keyboard_shortcut = false;
 
+  // When running in mash the browser should register accelerators with mus.
+  if (chrome::IsRunningInMash())

[sky, 2016/04/20 20:26:49]

This seems too early. It's only ash accelerators we don't want to hit, not all
accelerators.

+    return false;
+
   if ((event.type != blink::WebInputEvent::RawKeyDown) &&
       (event.type != blink::WebInputEvent::KeyUp)) {
     return false;