Adding run_at to chrome.tabs.executeScript/insertCss.

chrome/browser/extensions/execute_code_in_tab_function.h

Index: chrome/browser/extensions/execute_code_in_tab_function.h
diff --git a/chrome/browser/extensions/execute_code_in_tab_function.h b/chrome/browser/extensions/execute_code_in_tab_function.h
index fb36fa9f98343a4ada6b60aec7a7551eba721652..411533008aa4a795ae0edfd09acefb01d7e7af20 100644
--- a/chrome/browser/extensions/execute_code_in_tab_function.h
+++ b/chrome/browser/extensions/execute_code_in_tab_function.h
@@ -10,6 +10,7 @@
 
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/common/extensions/extension_resource.h"
+#include "chrome/common/extensions/user_script.h"
 #include "content/public/browser/web_contents_observer.h"
 
 // Implement API call tabs.executeScript and tabs.insertCSS.
@@ -58,6 +59,9 @@ class ExecuteCodeInTabFunction : public AsyncExtensionFunction,
   // If all_frames_ is true, script or CSS text would be injected
   // to all frames; Otherwise only injected to top main frame.
   bool all_frames_;
+
+  // The intended time to run the script.
+  UserScript::RunLocation run_at_;
 };
 
 class TabsExecuteScriptFunction : public ExecuteCodeInTabFunction {