mac: Load the system hotkeys after launch.

content/browser/cocoa/system_hotkey_map.mm

Index: content/browser/cocoa/system_hotkey_map.mm
diff --git a/chrome/browser/ui/cocoa/system_hotkey_map.mm b/content/browser/cocoa/system_hotkey_map.mm
similarity index 89%
rename from chrome/browser/ui/cocoa/system_hotkey_map.mm
rename to content/browser/cocoa/system_hotkey_map.mm
index 9b649fbc729ca3745f81c1c926c0123543f566db..4ec7d620c784129169c0f306141c55c487884d40 100644
--- a/chrome/browser/ui/cocoa/system_hotkey_map.mm
+++ b/content/browser/cocoa/system_hotkey_map.mm
@@ -2,9 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#import "chrome/browser/ui/cocoa/system_hotkey_map.h"
-
-#import <Cocoa/Cocoa.h>
+#import "content/browser/cocoa/system_hotkey_map.h"
 
 #pragma mark - NSDictionary Helper Functions
 
@@ -35,6 +33,8 @@ NSNumber* NumberForKey(NSDictionary* dict, NSString* key) {
 
 #pragma mark - SystemHotkey
 
+namespace content {
+
 struct SystemHotkey {
   int key_code;
   int modifiers;
@@ -50,6 +50,9 @@ SystemHotkeyMap::~SystemHotkeyMap() {
 bool SystemHotkeyMap::ParseData(NSData* data) {
   system_hotkeys_.clear();
 
+  if (!data)
+    return false;
+
   NSError* error = nil;
   NSPropertyListFormat format;
   NSDictionary* dictionary =
@@ -103,8 +106,14 @@ bool SystemHotkeyMap::ParseData(NSData* data) {
   return true;
 }
 
-bool SystemHotkeyMap::IsHotkeyReserved(int key_code, int modifiers) {
-  std::vector<SystemHotkey>::iterator it;
+bool SystemHotkeyMap::IsEventReserved(NSEvent* event) const {
+  NSUInteger modifiers =
+      NSShiftKeyMask | NSControlKeyMask | NSCommandKeyMask | NSAlternateKeyMask;
+  return IsHotkeyReserved(event.keyCode, event.modifierFlags & modifiers);
+}
+
+bool SystemHotkeyMap::IsHotkeyReserved(int key_code, int modifiers) const {
+  std::vector<SystemHotkey>::const_iterator it;
   for (it = system_hotkeys_.begin(); it != system_hotkeys_.end(); ++it) {
     if (it->key_code == key_code && it->modifiers == modifiers)
       return true;
@@ -129,3 +138,5 @@ void SystemHotkeyMap::ReserveHotkey(int key_code, int modifiers) {
   hotkey.modifiers = modifiers;
   system_hotkeys_.push_back(hotkey);
 }
+
+}  // namespace content