Block content scripts from executing until user grants permission

chrome/browser/extensions/active_script_controller.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_ACTIVE_SCRIPT_CONTROLLER_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVE_SCRIPT_CONTROLLER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 54 matching lines @@
       const Extension* extension) OVERRIDE;
   virtual LocationBarController::Action OnClicked(
       const Extension* extension) OVERRIDE;
   virtual void OnNavigated() OVERRIDE;
 
  private:
   typedef std::vector<linked_ptr<const base::Closure> > PendingRequestList;
   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
   // be found, etc.
   bool ShouldProcessRequest(const Extension* extension, int page_id);
 
   // Adds the |request| to the map of pending requests, or processes it
   // immediately if no permission is needed.
   void AddOrProcessRequest(const Extension* extension,
                            scoped_ptr<const base::Closure> request);
@@ skipping 25 matching lines @@
   // that get generated for extensions that haven't declared anything.
   typedef std::map<std::string, linked_ptr<ExtensionAction> > ActiveScriptMap;
   ActiveScriptMap active_script_actions_;
 
   DISALLOW_COPY_AND_ASSIGN(ActiveScriptController);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVE_SCRIPT_CONTROLLER_H_