Allow keyboard shortcuts can be captured by webpage when toolbar is not visible

chrome/browser/ui/cocoa/browser_window_cocoa.mm

Index: chrome/browser/ui/cocoa/browser_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_cocoa.mm b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
index 2991e80ab6535094deb95aa54984a6c72c13f3b9..675cee67e9f2fc94fec1a39165f82fb8f4a80146 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
@@ -322,6 +322,15 @@ NSString* BrowserWindowCocoa::WindowTitle() {
       browser_->GetWindowTitleForCurrentTab(include_app_name));
 }
 
+bool BrowserWindowCocoa::IsToolbarShowing() const {
+  if (!IsFullscreen())
+    return true;
+
+  // TODO(zijiehe): Retrieve the visibility of toolbar from
+  // FullscreenToolbarController. See http://crbug.com/702251.

[msw, 2017/04/05 23:55:11]

This looks like the wrong bug? "Event.preventDefault() blocks ⌘W" is fixed?

[Hzj_jie, 2017/04/06 02:37:59]

Maybe I can add both bugs to the comment. The closed bug regards to the behavior
of Mac OS. But the issue mentioned in this bug has been resolved as we have
reverted the last change. Another bug crbug.com/680809 is for a generic
implementation, instead of a Mac OS specific one.

+  return true;
+}
+
 void BrowserWindowCocoa::BookmarkBarStateChanged(
     BookmarkBar::AnimateChangeType change_type) {
   [[controller_ bookmarkBarController]