Add ability to limit when context menu items appear with url patterns....

chrome/browser/extensions/extension_menu_manager.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.
 
 #include "chrome/browser/extensions/extension_menu_manager.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/stl_util-inl.h"
@@ skipping 78 matching lines @@
     return false;
   checked_ = checked;
   return true;
 }
 
 void ExtensionMenuItem::AddChild(ExtensionMenuItem* item) {
   item->parent_id_.reset(new Id(id_));
   children_.push_back(item);
 }
 
+const int ExtensionMenuManager::kAllowedSchemes =
+    URLPattern::SCHEME_HTTP | URLPattern::SCHEME_HTTPS;
+
 ExtensionMenuManager::ExtensionMenuManager() {
   registrar_.Add(this, NotificationType::EXTENSION_UNLOADED,
                  NotificationService::AllSources());
 }
 
 ExtensionMenuManager::~ExtensionMenuManager() {
   MenuItemMap::iterator i;
   for (i = context_items_.begin(); i != context_items_.end(); ++i) {
     STLDeleteElements(&(i->second));
   }
@@ skipping 330 matching lines @@
   Extension* extension = Details<Extension>(details).ptr();
   if (ContainsKey(context_items_, extension->id())) {
     RemoveAllContextItems(extension->id());
   }
 }
 
 const SkBitmap& ExtensionMenuManager::GetIconForExtension(
     const std::string& extension_id) {
   return icon_manager_.GetIcon(extension_id);
 }
+
+// static
+bool ExtensionMenuManager::HasAllowedScheme(const GURL& url) {
+  URLPattern pattern(kAllowedSchemes);
+  return pattern.SetScheme(url.scheme());
+}