Make most browser accelerators not repeat.

chrome/browser/ui/views/frame/browser_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 639 matching lines @@
   views::View* contents_container_;
 
   // Tracks and stores the last focused view which is not the
   // devtools_web_view_ or any of its children. Used to restore focus once
   // the devtools_web_view_ is hidden.
   std::unique_ptr<views::ExternalFocusTracker> devtools_focus_tracker_;
 
   // The Status information bubble that appears at the bottom of the window.
   std::unique_ptr<StatusBubbleViews> status_bubble_;
 
-  // A mapping between accelerators and commands.
+  // A mapping between accelerators and command IDs.
   std::map<ui::Accelerator, int> accelerator_table_;
 
   // True if we have already been initialized.
   bool initialized_;
 
   // True if we're currently handling a theme change (i.e. inside
   // OnThemeChanged()).
   bool handling_theme_changed_;
 
   // True when in ProcessFullscreen(). The flag is used to avoid reentrance and
@@ skipping 32 matching lines @@
   // The class that registers for keyboard shortcuts for extension commands.
   std::unique_ptr<ExtensionKeybindingRegistryViews>
       extension_keybinding_registry_;
 
   mutable base::WeakPtrFactory<BrowserView> activate_modal_dialog_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_