Initial work on making extensions work in incognito mode.

chrome/common/extensions/user_script.h

Index: chrome/common/extensions/user_script.h
diff --git a/chrome/common/extensions/user_script.h b/chrome/common/extensions/user_script.h
index 9fbbe89e8715206d0362b1215ead56bc0f101ec9..ed840094194192d8bb13bda8c3cf18bd95c8f188 100644
--- a/chrome/common/extensions/user_script.h
+++ b/chrome/common/extensions/user_script.h
@@ -102,7 +102,7 @@ class UserScript {
   // Greasemonkey and probably more useful for typical scripts.
   UserScript()
     : run_location_(DOCUMENT_IDLE), emulate_greasemonkey_(false),
-      match_all_frames_(false) {
+      match_all_frames_(false), incognito_enabled_(false) {
   }
 
   const std::string& name_space() const { return name_space_; }
@@ -162,6 +162,9 @@ class UserScript {
   const std::string& extension_id() const { return extension_id_; }
   void set_extension_id(const std::string& id) { extension_id_ = id; }
 
+  bool is_incognito_enabled() const { return incognito_enabled_; }
+  void set_incognito_enabled(bool enabled) { incognito_enabled_ = enabled; }
+
   bool is_standalone() const { return extension_id_.empty(); }
 
   // Returns true if the script should be applied to the specified URL, false
@@ -217,6 +220,9 @@ class UserScript {
   // Whether the user script should run in all frames, or only just the top one.
   // Defaults to false.
   bool match_all_frames_;
+
+  // True if the script should be injected into an incognito tab.
+  bool incognito_enabled_;
 };
 
 typedef std::vector<UserScript> UserScriptList;