This adds a webui overlay on the extensions page for showing what Extension keybindings are active.…

chrome/browser/ui/views/browser_actions_container.cc

Index: chrome/browser/ui/views/browser_actions_container.cc
===================================================================
--- chrome/browser/ui/views/browser_actions_container.cc	(revision 137495)
+++ chrome/browser/ui/views/browser_actions_container.cc	(working copy)
@@ -135,7 +135,8 @@
         ExtensionCommandServiceFactory::GetForProfile(
             panel_->browser()->profile());
     const extensions::Command* browser_action_command =
-        command_service->GetActiveBrowserActionCommand(extension_->id());
+        command_service->GetBrowserActionCommand(
+            extension_->id(), ExtensionCommandService::ACTIVE_ONLY);
     if (browser_action_command) {
       keybinding_.reset(new ui::Accelerator(
           browser_action_command->accelerator()));