Remove legacy StartsWithASCII function.

ui/base/ime/chromeos/component_extension_ime_manager.cc

 // Copyright 2013 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 "ui/base/ime/chromeos/component_extension_ime_manager.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "chromeos/chromeos_switches.h"
@@ skipping 47 matching lines @@
   "us(dvorak)",
   "us(dvp)",
   "us(intl)"
 };
 
 // Gets the input method category according to the given input method id.
 // This is used for sorting a list of input methods.
 int GetInputMethodCategory(const std::string& id) {
   const std::string engine_id =
       chromeos::extension_ime_util::GetComponentIDByInputMethodID(id);
-  if (base::StartsWithASCII(engine_id, "xkb:", true))
+  if (base::StartsWith(engine_id, "xkb:", base::CompareCase::SENSITIVE))
     return 0;
-  if (base::StartsWithASCII(engine_id, "vkd_", true))
+  if (base::StartsWith(engine_id, "vkd_", base::CompareCase::SENSITIVE))
     return 1;
   if (engine_id.find("-t-i0-") != std::string::npos &&
-      !base::StartsWithASCII(engine_id, "zh-", true)) {
+      !base::StartsWith(engine_id, "zh-", base::CompareCase::SENSITIVE)) {
     return 2;
   }
   return 3;
 }
 
 bool InputMethodCompare(const input_method::InputMethodDescriptor& im1,
                         const input_method::InputMethodDescriptor& im2) {
   return GetInputMethodCategory(im1.id()) < GetInputMethodCategory(im2.id());
 }
 
@@ skipping 149 matching lines @@
 bool ComponentExtensionIMEManager::IsInLoginLayoutWhitelist(
     const std::vector<std::string>& layouts) {
   for (size_t i = 0; i < layouts.size(); ++i) {
     if (login_layout_set_.find(layouts[i]) != login_layout_set_.end())
       return true;
   }
   return false;
 }
 
 }  // namespace chromeos