Split incognito extension content settings in session-only and persistent.

chrome/browser/profiles/profile.cc

Index: chrome/browser/profiles/profile.cc
diff --git a/chrome/browser/profiles/profile.cc b/chrome/browser/profiles/profile.cc
index f35020c44f9df9a21ce074e4b660070ca17d32db..8db906ff70afbb190cfa84307f89b05ec47e7972 100644
--- a/chrome/browser/profiles/profile.cc
+++ b/chrome/browser/profiles/profile.cc
@@ -244,6 +244,10 @@ class OffTheRecordProfileImpl : public Profile,
 
     if (pref_proxy_config_tracker_)
       pref_proxy_config_tracker_->DetachFromPrefService();
+
+    ExtensionService* extension_service = GetExtensionService();
+    if (extension_service)
+      extension_service->extension_prefs()->ClearIncognitoSessionOnlySettings();
   }
 
   virtual ProfileId GetRuntimeId() {
@@ -742,7 +746,7 @@ class OffTheRecordProfileImpl : public Profile,
   // The download manager that only stores downloaded items in memory.
   scoped_refptr<DownloadManager> download_manager_;
 
-  // We use a non-writable content settings map for OTR.
+  // We use a non-persistent content settings map for OTR.
   scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
 
   // Use a separate zoom map for OTR.