Declarative content scripts: Browser-side: per-extension shared memory regions (lazily loaded)

extensions/renderer/user_script_set.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 EXTENSIONS_RENDERER_USER_SCRIPT_SET_H_
 #define EXTENSIONS_RENDERER_USER_SCRIPT_SET_H_
 
 #include <set>
 #include <string>
 
@@ skipping 23 matching lines @@
 class UserScriptSet {
  public:
   class Observer {
    public:
     virtual void OnUserScriptsUpdated(
         const std::set<std::string>& changed_extensions,
         const std::vector<UserScript*>& scripts) = 0;
   };
 
   explicit UserScriptSet(const ExtensionSet* extensions);
-  ~UserScriptSet();
+  virtual ~UserScriptSet();

[Devlin, 2014/08/04 18:33:26]

?

[Mark Dittmer, 2014/08/05 20:33:20]

Must have been an error during a merge. Reverted.

 
   // Adds or removes observers.
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Appends the ids of the extensions that have user scripts to |ids|.
   void GetActiveExtensionIds(std::set<std::string>* ids) const;
 
   // Populate |injections| with any ScriptInjections that should run on the
   // given |web_frame| and |tab_id|, at the given |run_location|.
   // |extensions| is passed in to verify the corresponding extension is still
   // valid.
   void GetInjections(ScopedVector<ScriptInjection>* injections,
                      blink::WebFrame* web_frame,
                      int tab_id,
                      UserScript::RunLocation run_location);
 
   // Updates scripts given the shared memory region containing user scripts.
   // Returns true if the scripts were successfully updated.
-  bool UpdateUserScripts(base::SharedMemoryHandle shared_memory,
-                         const std::set<std::string>& changed_extensions);
+  bool OnUpdateUserScripts(base::SharedMemoryHandle shared_memory,

[Devlin, 2014/08/04 18:33:26]

?

[Mark Dittmer, 2014/08/05 20:33:20]

ditto

+                           const std::set<std::string>& changed_extensions);
 
   const std::vector<UserScript*>& scripts() const { return scripts_.get(); }
 
  private:
   // Returns a new ScriptInjection for the given |script| to execute in the
   // |web_frame|, or NULL if the script should not execute.
   scoped_ptr<ScriptInjection> GetInjectionForScript(
       UserScript* script,
       blink::WebFrame* web_frame,
       int tab_id,
@@ skipping 12 matching lines @@
 
   // The associated observers.
   ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(UserScriptSet);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_USER_SCRIPT_SET_H_