AcceleratorProvider: Make GetAcceleratorForCommandId const.

chrome/browser/profiles/profile_window_browsertest.cc

 // Copyright (c) 2015 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 "chrome/browser/profiles/profile_window.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 69 matching lines @@
   history::HistoryService* history = HistoryServiceFactory::GetForProfile(
       profile, ServiceAccessType::EXPLICIT_ACCESS);
   history->ScheduleDBTask(std::move(task), &task_tracker);
   content::RunMessageLoop();
 }
 
 class EmptyAcceleratorHandler : public ui::AcceleratorProvider {
  public:
   // Don't handle accelerators.
   bool GetAcceleratorForCommandId(int command_id,
-                                  ui::Accelerator* accelerator) override {
+                                  ui::Accelerator* accelerator) const override {
     return false;
   }
 };
 
 base::FilePath CreateTestingProfile(const std::string& name,
                                     const std::string& relative_path) {
   ProfileManager* manager = g_browser_process->profile_manager();
   ProfileAttributesStorage& storage = manager->GetProfileAttributesStorage();
   size_t starting_number_of_profiles = storage.GetNumberOfProfiles();
 
@@ skipping 186 matching lines @@
                  &url_to_test,
                  run_loop.QuitClosure()));
   run_loop.Run();
 
   ui_test_utils::NavigateToURL(browser(), GURL(url_to_test));
   EXPECT_TRUE(RunJavascriptTest(
       "testPodFocused", new base::StringValue(expected_path.AsUTF8Unsafe())));
 }
 
 #endif  // !defined(OS_CHROMEOS) && !defined(OS_ANDROID)