Check the IME component extension's availability on linux_chromeos, so that system fallback VK can …

chromeos/ime/mock_component_extension_ime_manager_delegate.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 "base/logging.h"
 #include "chromeos/ime/component_extension_ime_manager.h"
 #include "chromeos/ime/extension_ime_util.h"
 #include "chromeos/ime/mock_component_extension_ime_manager_delegate.h"
 
 namespace chromeos {
 namespace input_method {
 
 MockComponentExtIMEManagerDelegate::MockComponentExtIMEManagerDelegate()
     : load_call_count_(0),
       unload_call_count_(0) {
 }
 
 MockComponentExtIMEManagerDelegate::~MockComponentExtIMEManagerDelegate() {
 }
 
 std::vector<ComponentExtensionIME>
     MockComponentExtIMEManagerDelegate::ListIME() {
   return ime_list_;
 }
 
-bool MockComponentExtIMEManagerDelegate::Load(Profile* profile,
+void MockComponentExtIMEManagerDelegate::Load(Profile* profile,
                                               const std::string& extension_id,
                                               const std::string& manifest,
                                               const base::FilePath& path) {
   last_loaded_extension_id_ = extension_id;
   load_call_count_++;
-  return true;
 }
 
 void MockComponentExtIMEManagerDelegate::Unload(Profile* profile,
                                                 const std::string& extension_id,
                                                 const base::FilePath& path) {
   unload_call_count_++;
   last_unloaded_extension_id_ = extension_id;
 }
 
 }  // namespace input_method
 }  // namespace chromeos