Initial work on making extensions work in incognito mode.

chrome/browser/extensions/extensions_service.h

Index: chrome/browser/extensions/extensions_service.h
diff --git a/chrome/browser/extensions/extensions_service.h b/chrome/browser/extensions/extensions_service.h
index 5b4d37ee60049a1d98274084a6962010f33e5737..078ac015a8c7949166c67b7c02e31908fea7ea87 100644
--- a/chrome/browser/extensions/extensions_service.h
+++ b/chrome/browser/extensions/extensions_service.h
@@ -106,6 +106,10 @@ class ExtensionsService
                               const base::Time& time);
   virtual base::Time LastPingDay(const std::string& extension_id);
 
+  // Returns true if this extension can run in an incognito window. The
+  // decision is based on both user consent and the extension having the right
+  // permission.
+  bool IsIncognitoEnabled(const std::string& extension_id);
 
   const FilePath& install_directory() const { return install_directory_; }