Add support for a "split" incognito behavior for extensions.

chrome/browser/extensions/extension_cookies_helpers.cc

 // Copyright (c) 2010 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.
 
 // Implements common functionality for the Chrome Extensions Cookies API.
 
 #include "chrome/browser/extensions/extension_cookies_helpers.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/extensions/extension_cookies_api_constants.h"
 #include "chrome/browser/extensions/extension_tabs_module.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/url_constants.h"
 #include "googleurl/src/gurl.h"
 
 namespace keys = extension_cookies_api_constants;
 
 namespace extension_cookies_helpers {
 
 static const char kOriginalProfileStoreId[] = "0";
 static const char kOffTheRecordProfileStoreId[] = "1";
 
 Profile* ChooseProfileFromStoreId(const std::string& store_id,
                                   Profile* profile,
                                   bool include_incognito) {
   DCHECK(profile);
-  if (store_id == kOriginalProfileStoreId)
+  bool allow_original = !profile->IsOffTheRecord();
+  bool allow_incognito = profile->IsOffTheRecord() || include_incognito;
+  if (store_id == kOriginalProfileStoreId && allow_original)
     return profile->GetOriginalProfile();
-  if (store_id == kOffTheRecordProfileStoreId && include_incognito)
+  if (store_id == kOffTheRecordProfileStoreId && allow_incognito)
     return profile->GetOffTheRecordProfile();
   return NULL;
 }
 
 const char* GetStoreIdFromProfile(Profile* profile) {
   DCHECK(profile);
   return profile->IsOffTheRecord() ?
       kOffTheRecordProfileStoreId : kOriginalProfileStoreId;
 }
 
@@ skipping 130 matching lines @@
        sub_domain.length() >= filter_value.length();) {
     if (sub_domain == filter_value)
       return true;
     const size_t next_dot = sub_domain.find('.', 1);  // Skip over leading dot.
     sub_domain.erase(0, next_dot);
   }
   return false;
 }
 
 }  // namespace extension_cookies_helpers