Revert of Remove some legacy versions of StartsWith and EndsWith.

ios/web/webui/web_ui_ios_data_source_impl.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 "ios/web/webui/web_ui_ios_data_source_impl.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted_memory.h"
@@ skipping 91 matching lines @@
 
 void WebUIIOSDataSourceImpl::DisableDenyXFrameOptions() {
   deny_xframe_options_ = false;
 }
 
 std::string WebUIIOSDataSourceImpl::GetSource() const {
   return source_name_;
 }
 
 std::string WebUIIOSDataSourceImpl::GetMimeType(const std::string& path) const {
-  if (base::EndsWith(path, ".js", base::CompareCase::INSENSITIVE_ASCII))
+  if (base::EndsWith(path, ".js", false))
     return "application/javascript";
 
-  if (base::EndsWith(path, ".json", base::CompareCase::INSENSITIVE_ASCII))
+  if (base::EndsWith(path, ".json", false))
     return "application/json";
 
-  if (base::EndsWith(path, ".pdf", base::CompareCase::INSENSITIVE_ASCII))
+  if (base::EndsWith(path, ".pdf", false))
     return "application/pdf";
 
-  if (base::EndsWith(path, ".css", base::CompareCase::INSENSITIVE_ASCII))
+  if (base::EndsWith(path, ".css", false))
     return "text/css";
 
-  if (base::EndsWith(path, ".svg", base::CompareCase::INSENSITIVE_ASCII))
+  if (base::EndsWith(path, ".svg", false))
     return "image/svg+xml";
 
   return "text/html";
 }
 
 void WebUIIOSDataSourceImpl::StartDataRequest(
     const std::string& path,
     const URLDataSourceIOS::GotDataCallback& callback) {
   if (!json_path_.empty() && path == json_path_) {
     SendLocalizedStringsAsJSON(callback);
@@ skipping 23 matching lines @@
 
 void WebUIIOSDataSourceImpl::SendFromResourceBundle(
     const URLDataSourceIOS::GotDataCallback& callback,
     int idr) {
   scoped_refptr<base::RefCountedStaticMemory> response(
       GetWebClient()->GetDataResourceBytes(idr));
   callback.Run(response.get());
 }
 
 }  // namespace web