Revert of Remove some legacy versions of StartsWith and EndsWith.

components/search/search.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 "components/search/search.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
@@ skipping 72 matching lines @@
 bool GetFieldTrialInfo(FieldTrialFlags* flags) {
   // Get the group name.  If the EmbeddedSearch trial doesn't exist, look for
   // the older InstantExtended name.
   std::string group_name = base::FieldTrialList::FindFullName(
       kEmbeddedSearchFieldTrialName);
   if (group_name.empty()) {
     group_name = base::FieldTrialList::FindFullName(
         kInstantExtendedFieldTrialName);
   }
 
-  if (base::EndsWith(group_name, kDisablingSuffix,
-                     base::CompareCase::SENSITIVE))
+  if (base::EndsWith(group_name, kDisablingSuffix, true))
     return false;
 
   // We have a valid trial that isn't disabled. Extract the flags.
   std::string group_prefix(group_name);
   size_t first_space = group_name.find(" ");
   if (first_space != std::string::npos) {
     // There is a flags section of the group name. Split that out and parse it.
     group_prefix = group_name.substr(0, first_space);
     if (!base::SplitStringIntoKeyValuePairs(group_name.substr(first_space),
                                             ':', ' ', flags)) {
@@ skipping 33 matching lines @@
 
 // Given a FieldTrialFlags object, returns the boolean value of the provided
 // flag.
 bool GetBoolValueForFlagWithDefault(const std::string& flag,
                                     bool default_value,
                                     const FieldTrialFlags& flags) {
   return !!GetUInt64ValueForFlagWithDefault(flag, default_value ? 1 : 0, flags);
 }
 
 }  // namespace chrome