Block content scripts from executing until user grants permission

chrome/browser/extensions/active_script_controller.h

Index: chrome/browser/extensions/active_script_controller.h
diff --git a/chrome/browser/extensions/active_script_controller.h b/chrome/browser/extensions/active_script_controller.h
index 8fede1718c13d7b203db5ac5148bbef4f1482b5e..33eefcb6a8cfa52300830e78d100a319587a9093 100644
--- a/chrome/browser/extensions/active_script_controller.h
+++ b/chrome/browser/extensions/active_script_controller.h
@@ -72,8 +72,12 @@ class ActiveScriptController : public LocationBarController::ActionProvider,
   typedef std::map<std::string, PendingRequestList> PendingRequestMap;
 
   // Handles the NotifyExtensionScriptExecution message.
-  void OnNotifyExtensionScriptExecution(const std::string& extension_id,
-                                        int page_id);
+  void OnRequestContentScriptPermission(const std::string& extension_id,
+                                        int page_id,
+                                        int request_id);
+
+  // Grant the request for permission.
+  void GrantContentScriptPermission(int request_id);
 
   // Returns true if the ActiveScriptController should process the request. This
   // can be false if, e.g., the page id does not match, the extension cannot