Update base::StartsWith calls to new form

chrome/browser/ui/webui/media_router/media_router_ui.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_ui.h"
 
 #include <string>
 
 #include "base/strings/string_util.h"
 #include "chrome/browser/media/router/create_session_request.h"
@@ skipping 21 matching lines @@
 #include "ui/web_dialogs/web_dialog_delegate.h"
 
 namespace media_router {
 
 namespace {
 
 std::string GetHostFromURL(const GURL& gurl) {
   if (gurl.is_empty())
     return std::string();
   std::string host = gurl.host();
-  if (base::StartsWithASCII(host, "www.", false))
+  if (base::StartsWith(host, "www.", base::CompareCase::INSENSITIVE_ASCII))
     host = host.substr(4);
   return host;
 }
 
 }  // namespace
 
 // This class calls to refresh the UI when the highest priority issue is
 // updated.
 class MediaRouterUI::UIIssuesObserver : public IssuesObserver {
  public:
@@ skipping 281 matching lines @@
                        base::Bind(&MediaRouterUI::OnRouteResponseReceived,
                                   weak_factory_.GetWeakPtr()));
   return true;
 }
 
 std::string MediaRouterUI::GetFrameURLHost() const {
   return GetHostFromURL(frame_url_);
 }
 
 }  // namespace media_router