Prevent extensions from moving tabs between profiles.

chrome/browser/extensions/extension_tabs_module.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/extensions/extension_tabs_module.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/base64.h"
@@ skipping 862 matching lines @@
     if (!target_browser->IsTabStripEditable()) {
       error_ = keys::kTabStripNotEditableError;
       return false;
     }
 
     if (target_browser->type() != Browser::TYPE_NORMAL) {
       error_ = keys::kCanOnlyMoveTabsWithinNormalWindowsError;
       return false;
     }
 
+    if (target_browser->profile() != source_browser->profile()) {
+      error_ = keys::kCanOnlyMoveTabsWithinSameProfileError;
+      return false;
+    }
+
     // If windowId is different from the current window, move between windows.
     if (ExtensionTabUtil::GetWindowId(target_browser) !=
         ExtensionTabUtil::GetWindowId(source_browser)) {
       TabStripModel* target_tab_strip = target_browser->tabstrip_model();
       contents = source_tab_strip->DetachTabContentsAt(tab_index);
       if (!contents) {
         error_ = ExtensionErrorUtils::FormatErrorMessage(
             keys::kTabNotFoundError, base::IntToString(tab_id));
         return false;
       }
@@ skipping 344 matching lines @@
 }
 
 static GURL ResolvePossiblyRelativeURL(std::string url_string,
                                        const Extension* extension) {
   GURL url = GURL(url_string);
   if (!url.is_valid())
     url = extension->GetResourceURL(url_string);
 
   return url;
 }