Make most browser accelerators not repeat.

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

 // Copyright 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.
 
 #include "chrome/browser/ui/views/frame/browser_view.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 1999 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 // BrowserView, ui::AcceleratorTarget overrides:
 
 bool BrowserView::AcceleratorPressed(const ui::Accelerator& accelerator) {
   std::map<ui::Accelerator, int>::const_iterator iter =
       accelerator_table_.find(accelerator);
   DCHECK(iter != accelerator_table_.end());
   int command_id = iter->second;
 
+  if (accelerator.IsRepeat() && !chrome::IsCommandRepeatable(command_id))
+    return false;
+
   chrome::BrowserCommandController* controller = browser_->command_controller();
   if (!controller->block_command_execution())
     UpdateAcceleratorMetrics(accelerator, command_id);
   return chrome::ExecuteCommand(browser_.get(), command_id);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // BrowserView, OmniboxPopupModelObserver overrides:
 void BrowserView::OnOmniboxPopupShownOrHidden() {
   SetMaxTopArrowHeight(GetMaxTopInfoBarArrowHeight(), infobar_container_);
@@ skipping 635 matching lines @@
 }
 
 extensions::ActiveTabPermissionGranter*
 BrowserView::GetActiveTabPermissionGranter() {
   content::WebContents* web_contents = GetActiveWebContents();
   if (!web_contents)
     return nullptr;
   return extensions::TabHelper::FromWebContents(web_contents)
       ->active_tab_permission_granter();
 }