Introduce IsMemberOfExtension function into ExtensionIMEUtil.

chromeos/ime/extension_ime_util.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 "chromeos/ime/extension_ime_util.h"
 
 #include "base/string_util.h"
 
 namespace chromeos {
 namespace {
 const char* kExtensionIMEPrefix = "_ext_ime_";
 }  // namespace
 
 namespace extension_ime_util {
 std::string GetInputMethodID(const std::string& extension_id,
                              const std::string& engine_id) {
   DCHECK(!extension_id.empty());
   DCHECK(!engine_id.empty());
   return kExtensionIMEPrefix + extension_id + engine_id;
 }
 
 bool IsExtensionIME(const std::string& input_method_id) {
   return StartsWithASCII(input_method_id,
                          kExtensionIMEPrefix,
                          false);  // Case insensitive.
 }
 
+bool IsMemberOfExtension(const std::string& input_method_id,
+                         const std::string& extension_id) {
+  return StartsWithASCII(input_method_id,
+                         kExtensionIMEPrefix + extension_id,
+                         false);  // Case insensitive.

[Zachary Kuznia, 2013/03/26 09:17:29]

Why is this case insensitive?

[Seigo Nonaka, 2013/03/26 09:26:37]

For meeting as above implementation.
But case sensitive is reasonable, will change so.

On 2013/03/26 09:17:29, Zachary Kuznia wrote:

+}
+
 }  // namespace extension_ime_util
 }  // namespace chromeos