[Mac] Give the Wrench menu keyboard shortcuts.

app/menus/accelerator_cocoa.h

+// 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.
+
+#ifndef APP_MENUS_ACCELERATOR_COCOA_H_
+#define APP_MENUS_ACCELERATOR_COCOA_H_
+
+#include <Foundation/Foundation.h>
+
+#include "app/menus/accelerator.h"
+#include "base/scoped_nsobject.h"
+
+namespace menus {
+
+// This is a subclass of the cross-platform Accelerator, but with more direct
+// support for Cocoa key equivalents. Note that the typical use case for this
+// class is to initialize it with a string literal, which is why it sends
+// |-copy| to the |key_code| paramater in the constructor.
+class AcceleratorCocoa : public Accelerator {
+ public:
+  AcceleratorCocoa(NSString* key_code, NSUInteger mask)
+      : Accelerator(base::VKEY_UNKNOWN, mask),
+        characters_([key_code copy]) {
+  }
+
+  AcceleratorCocoa(const AcceleratorCocoa& accelerator)
+      : Accelerator(accelerator) {
+    characters_.reset([accelerator.characters_ copy]);
+  }
+
+  AcceleratorCocoa() : Accelerator() {}

[pink (ping after 24hrs), 2010/06/21 19:21:56]

not sure this is necessary, but can't hurt.

+  virtual ~AcceleratorCocoa() {}
+
+  AcceleratorCocoa& operator=(const AcceleratorCocoa& accelerator) {
+    if (this != &accelerator) {
+      *static_cast<Accelerator*>(this) = accelerator;
+      characters_.reset([accelerator.characters_ copy]);
+    }
+    return *this;
+  }
+
+  bool operator ==(const AcceleratorCocoa& rhs) const {

[pink (ping after 24hrs), 2010/06/21 19:21:56]

no space after "operator"?

+    return [characters_ isEqualToString:rhs.characters_.get()] &&
+        (modifiers_ == rhs.modifiers_);
+  }
+
+  NSString* characters() const {
+    return characters_.get();
+  }
+
+ private:
+  // String of characters for the key equivalent.
+  scoped_nsobject<NSString> characters_;
+};
+
+}  // namespace menus
+
+#endif  // APP_MENUS_ACCELERATOR_COCOA_H_