mac: Load the system hotkeys after launch.

chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.h"
 
 #include <cmath>
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/devtools/devtools_window.h"
 #include "chrome/browser/profiles/profile.h"
 #import "chrome/browser/renderer_host/chrome_render_widget_host_view_mac_history_swiper.h"
 #include "chrome/browser/spellchecker/spellcheck_platform_mac.h"
 #include "chrome/browser/ui/browser.h"
 #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"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
@@ skipping 162 matching lines @@
   }
 
   return NO;
 }
 
 - (void)rendererHandledWheelEvent:(const blink::WebMouseWheelEvent&)event
                          consumed:(BOOL)consumed {
   [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.
 
 // This message is sent whenever the user specifies that a word should be
 // changed from the spellChecker.
 - (void)changeSpelling:(id)sender {
   // Grab the currently selected word from the spell panel, as this is the word
   // that we want to replace the selected word in the text with.
   NSString* newWord = [[sender selectedCell] stringValue];
@@ skipping 44 matching lines @@
 }
 
 - (void)spellCheckEnabled:(BOOL)enabled checked:(BOOL)checked {
   spellcheckEnabled_ = enabled;
   spellcheckChecked_ = checked;
 }
 
 // END Spellchecking methods
 
 @end