Close detached DevTools window (rather than open a new instance) when it receives an F12 keypress

chrome/browser/ui/browser_commands.cc

Index: chrome/browser/ui/browser_commands.cc
diff --git a/chrome/browser/ui/browser_commands.cc b/chrome/browser/ui/browser_commands.cc
index 29e40b430fc8ed58529ba123dd536a78ef273eac..6e77ea78fb8900ab91c67e0421ae379329550ddc 100644
--- a/chrome/browser/ui/browser_commands.cc
+++ b/chrome/browser/ui/browser_commands.cc
@@ -820,10 +820,7 @@ void ToggleDevToolsWindow(Browser* browser, DevToolsToggleAction action) {
     content::RecordAction(UserMetricsAction("DevTools_ToggleConsole"));
   else
     content::RecordAction(UserMetricsAction("DevTools_ToggleWindow"));
-
-  DevToolsWindow::ToggleDevToolsWindow(
-      GetActiveWebContents(browser)->GetRenderViewHost(),
-      action);
+  DevToolsWindow::ToggleDevToolsWindow(browser, action);
 }
 
 bool CanOpenTaskManager() {