experimental.popup support for tab-content-viewed extensions

chrome/browser/extensions/extension_dom_ui.cc

 // Copyright (c) 2009 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_dom_ui.h"
 
 #include "base/string_util.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/profile.h"
@@ skipping 200 matching lines @@
   ListValue* page_overrides;
   if (!all_overrides->GetList(UTF8ToWide(page), &page_overrides)) {
     // If it's being unregistered, it should already be in the list.
     NOTREACHED();
     return;
   } else {
     UnregisterAndReplaceOverride(page, profile, page_overrides, override);
   }
 }
 
+RenderViewHost* ExtensionDOMUI::GetRenderViewHost() {
+  return tab_contents() ? tab_contents()->render_view_host() : NULL;
+}
+
 // static
 void ExtensionDOMUI::UnregisterChromeURLOverrides(
     Profile* profile, const Extension::URLOverrideMap& overrides) {
   if (overrides.empty())
     return;
   PrefService* prefs = profile->GetPrefs();
   DictionaryValue* all_overrides =
       prefs->GetMutableDictionary(kExtensionURLOverrides);
   Extension::URLOverrideMap::const_iterator iter = overrides.begin();
   for (;iter != overrides.end(); ++iter) {
     std::wstring page = UTF8ToWide((*iter).first);
     ListValue* page_overrides;
     if (!all_overrides->GetList(page, &page_overrides)) {
       // If it's being unregistered, it should already be in the list.
       NOTREACHED();
       continue;
     } else {
       StringValue override((*iter).second.spec());
       UnregisterAndReplaceOverride((*iter).first, profile,
                                    page_overrides, &override);
     }
   }
 }