[Mac] Give the Wrench menu keyboard shortcuts.

chrome/browser/cocoa/accelerators_cocoa.mm

+// Copyright (c) 2010 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.
+
+#include "chrome/browser/cocoa/accelerators_cocoa.h"
+
+#import <Cocoa/Cocoa.h>
+
+#include "chrome/app/chrome_dll_resource.h"
+
+namespace {
+
+const struct AcceleratorMapping {
+  int command_id;
+  NSString* key;
+  NSUInteger modifiers;
+} kAcceleratorMap[] = {
+  { IDC_COPY, @"c", NSCommandKeyMask },
+  { IDC_CUT, @"x", NSCommandKeyMask },
+  { IDC_DEV_TOOLS, @"i", NSCommandKeyMask | NSAlternateKeyMask },
+  { IDC_DEV_TOOLS_CONSOLE, @"j", NSCommandKeyMask | NSAlternateKeyMask },
+  { IDC_FIND, @"f", NSCommandKeyMask },
+  { IDC_FULLSCREEN, @"f", NSCommandKeyMask | NSShiftKeyMask },
+  { IDC_NEW_INCOGNITO_WINDOW, @"n", NSCommandKeyMask | NSShiftKeyMask },
+  { IDC_NEW_TAB, @"t", NSCommandKeyMask },
+  { IDC_NEW_WINDOW, @"n", NSCommandKeyMask },
+  { IDC_OPTIONS, @",", NSCommandKeyMask },
+  { IDC_PASTE, @"v", NSCommandKeyMask },
+  { IDC_PRINT, @"p", NSCommandKeyMask },
+  { IDC_SAVE_PAGE, @"s", NSCommandKeyMask },
+  { IDC_SHOW_BOOKMARK_BAR, @"b", NSCommandKeyMask | NSShiftKeyMask },
+  { IDC_SHOW_BOOKMARK_MANAGER, @"b", NSCommandKeyMask | NSAlternateKeyMask },
+  { IDC_SHOW_DOWNLOADS, @"j", NSCommandKeyMask | NSShiftKeyMask },
+  { IDC_SHOW_HISTORY, @"y", NSCommandKeyMask },
+  { IDC_VIEW_SOURCE, @"u", NSCommandKeyMask | NSAlternateKeyMask },
+  { IDC_ZOOM_MINUS, @"-", NSCommandKeyMask },
+  { IDC_ZOOM_PLUS, @"+", NSCommandKeyMask }
+};
+
+}  // namespace
+
+AcceleratorsCocoa::AcceleratorsCocoa() {
+  for (size_t i = 0; i < arraysize(kAcceleratorMap); ++i) {
+    const AcceleratorMapping& entry = kAcceleratorMap[i];
+    menus::AcceleratorCocoa accelerator(entry.key, entry.modifiers);
+    accelerators_.insert(std::make_pair(entry.command_id, accelerator));
+  }
+}
+
+const menus::AcceleratorCocoa* AcceleratorsCocoa::GetAcceleratorForCommand(
+    int command_id) {
+  AcceleratorCocoaMap::iterator it = accelerators_.find(command_id);
+  if (it == accelerators_.end())
+    return NULL;
+  return &it->second;
+}