Render extension URLs with chips

chrome/browser/ui/location_bar/location_bar.cc

 // Copyright 2014 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/ui/location_bar/location_bar.h"
 
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/manifest_handlers/ui_overrides_handler.h"
+#include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_registry.h"
+#include "extensions/common/constants.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/feature_switch.h"
 #include "extensions/common/permissions/permissions_data.h"
 
 LocationBar::LocationBar(Profile* profile) : profile_(profile) {
 }
 
 LocationBar::~LocationBar() {
 }
 
 bool LocationBar::IsBookmarkStarHiddenByExtension() const {
   const extensions::ExtensionSet& extension_set =
       extensions::ExtensionRegistry::Get(profile_)->enabled_extensions();
   for (extensions::ExtensionSet::const_iterator i = extension_set.begin();
        i != extension_set.end(); ++i) {
     if (extensions::UIOverrides::RemovesBookmarkButton(i->get()) &&
         ((*i)->permissions_data()->HasAPIPermission(
              extensions::APIPermission::kBookmarkManagerPrivate) ||
          extensions::FeatureSwitch::enable_override_bookmarks_ui()
              ->IsEnabled()))
       return true;
   }
 
   return false;
 }
+
+// static
+base::string16 LocationBar::GetExtensionName(
+    const GURL& url,
+    content::WebContents* web_contents) {
+  CHECK(web_contents);
+  if (!url.SchemeIs(extensions::kExtensionScheme))
+    return base::string16();
+
+  content::BrowserContext* browser_context = web_contents->GetBrowserContext();
+  extensions::ExtensionRegistry* extension_registry =
+      extensions::ExtensionRegistry::Get(browser_context);
+  const extensions::Extension* extension =
+      extension_registry->enabled_extensions().GetByID(url.host());
+  return extension ? base::CollapseWhitespace(
+                         base::UTF8ToUTF16(extension->name()), false)
+                   : base::string16();
+}