mac: Load the system hotkeys after launch.

chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm

Index: chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm
diff --git a/chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm b/chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm
index 99bf80111a97032adcceac299bfa1427440b539c..be007c7abd735cb8f39de971b757b820d67e2078 100644
--- a/chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm
+++ b/chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm
@@ -16,6 +16,8 @@
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_finder.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
+#import "chrome/browser/ui/cocoa/system_hotkey_helper_mac.h"
+#import "chrome/browser/ui/cocoa/system_hotkey_map.h"
 #import "chrome/browser/ui/cocoa/view_id_util.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/spellcheck_messages.h"
@@ -198,6 +200,11 @@ class SpellCheckObserver : public content::WebContentsObserver {
   [historySwiper_ rendererHandledWheelEvent:event consumed:consumed];
 }
 
+- (BOOL)eventIsReservedBySystem:(NSEvent*)event {
+  SystemHotkeyHelperMac* helper = SystemHotkeyHelperMac::GetInstance();
+  return helper->map()->IsEventReserved(event);
+}
+
 // Spellchecking methods
 // The next five methods are implemented here since this class is the first
 // responder for anything in the browser.