Make most browser accelerators not repeat.

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

Index: chrome/browser/ui/views/frame/browser_view.h
diff --git a/chrome/browser/ui/views/frame/browser_view.h b/chrome/browser/ui/views/frame/browser_view.h
index 743b63577472476334cde00365bae1dab51f9a8b..1f4e03a4059228a60046f0cf7a432419074861ba 100644
--- a/chrome/browser/ui/views/frame/browser_view.h
+++ b/chrome/browser/ui/views/frame/browser_view.h
@@ -652,9 +652,14 @@ class BrowserView : public BrowserWindow,
   // 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_;
 
+  // IDs of commands that should be executed in response to repeated
+  // accelerators (i.e. generated by holding keys down). Repeated accelerators
+  // are ignored otherwise.
+  std::set<int> repeatable_command_ids_;
+
   // True if we have already been initialized.
   bool initialized_;