mac: Load the system hotkeys after launch.

chrome/browser/ui/cocoa/system_hotkey_map.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_SYSTEM_HOTKEY_MAP_H_
 #define CHROME_BROWSER_UI_COCOA_SYSTEM_HOTKEY_MAP_H_
 
-#import <Foundation/Foundation.h>
+#import <Cocoa/Cocoa.h>
 #include <vector>
 
+#include "base/gtest_prod_util.h"
 #include "base/macros.h"
 
 struct SystemHotkey;
 
 // Maintains a listing of all OSX user modifiable hotkeys. e.g. (cmd + `)
 class SystemHotkeyMap {
  public:
   SystemHotkeyMap();
   ~SystemHotkeyMap();
 
   // Parses the property list data commonly stored at
   // ~/Library/Preferences/com.apple.symbolichotkeys.plist
   // Returns false on encountering an irrecoverable error.
   // Can be called multiple times. Only the results from the most recent
   // invocation are stored.
   bool ParseData(NSData* data);
 
-  // Whether the hotkey has been reserved by the user.
-  bool IsHotkeyReserved(int key_code, int modifiers);
+  // Whether the event corresponds to a hotkey that has been reserved by the
+  // system.
+  bool IsEventReserved(NSEvent* event) const;
 
  private:
+  FRIEND_TEST_ALL_PREFIXES(SystemHotkeyMapTest, Parse);
+
+  // Whether the hotkey has been reserved by the user.
+  bool IsHotkeyReserved(int key_code, int modifiers) const;
+
   // Create at least one record of a hotkey that is reserved by the user.
   // Certain system hotkeys automatically reserve multiple key combinations.
   void ReserveHotkey(int key_code, int modifiers, NSString* system_effect);
 
   // Create a record of a hotkey that is reserved by the user.
   void ReserveHotkey(int key_code, int modifiers);
 
   std::vector<SystemHotkey> system_hotkeys_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemHotkeyMap);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_SYSTEM_HOTKEY_MAP_H_