[Media Router WebUI] Update arrow drop title text to be more descriptive.

chrome/browser/ui/webui/media_router/media_router_localized_strings_provider.cc

 // Copyright 2015 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/webui/media_router/media_router_localized_strings_provider.h"
 
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/web_ui_data_source.h"
 
 namespace {
 
 // Note that media_router.html contains a <script> tag which imports a script
 // of the following name. These names must be kept in sync.
 const char kLocalizedStringsFile[] = "strings.js";
 
 void AddMediaRouterStrings(content::WebUIDataSource* html_source) {
   html_source->AddLocalizedString("mediaRouterTitle", IDS_MEDIA_ROUTER_TITLE);
   html_source->AddLocalizedString("learnMoreText",
                                   IDS_MEDIA_ROUTER_LEARN_MORE);
   html_source->AddLocalizedString("backButtonTitle",
                                   IDS_MEDIA_ROUTER_BACK_BUTTON_TITLE);
   html_source->AddLocalizedString("closeButtonTitle",
                                   IDS_MEDIA_ROUTER_CLOSE_BUTTON_TITLE);
-  html_source->AddLocalizedString("dropDownButtonTitle",
-                                  IDS_MEDIA_ROUTER_DROP_DOWN_BUTTON_TITLE);
   html_source->AddLocalizedString("searchButtonTitle",
                                   IDS_MEDIA_ROUTER_SEARCH_BUTTON_TITLE);
+  html_source->AddLocalizedString("viewCastModeListButtonTitle",
+      IDS_MEDIA_ROUTER_VIEW_CAST_MODE_LIST_BUTTON_TITLE);
+  html_source->AddLocalizedString("viewDeviceListButtonTitle",
+      IDS_MEDIA_ROUTER_VIEW_DEVICE_LIST_BUTTON_TITLE);
 }
 
 void AddRouteDetailsStrings(content::WebUIDataSource* html_source) {
   html_source->AddLocalizedString("castingActivityStatus",
       IDS_MEDIA_ROUTER_CASTING_ACTIVITY_STATUS);
   html_source->AddLocalizedString("stopCastingButton",
       IDS_MEDIA_ROUTER_STOP_CASTING_BUTTON);
   html_source->AddLocalizedString("startCastingButton",
                                   IDS_MEDIA_ROUTER_START_CASTING_BUTTON);
 }
@@ skipping 36 matching lines @@
 
 void AddLocalizedStrings(content::WebUIDataSource* html_source) {
   AddMediaRouterStrings(html_source);
   AddRouteDetailsStrings(html_source);
   AddIssuesStrings(html_source);
   AddMediaRouterContainerStrings(html_source);
   html_source->SetJsonPath(kLocalizedStringsFile);
 }
 
 }  // namespace media_router