Remove trailing semicolon at the end of a method definition

ash/wm/maximize_mode/maximize_mode_window_manager_unittest.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 "ash/wm/maximize_mode/maximize_mode_window_manager.h"
 
 #include <string>
 
 #include "ash/ash_switches.h"
 #include "ash/public/cpp/config.h"
@@ skipping 1590 matching lines @@
 
   MaximizeModeWindowManager* manager = CreateMaximizeModeWindowManager();
   EXPECT_FALSE(wm::GetWindowState(window.get())->IsMaximized());
   EXPECT_EQ(0, manager->GetNumberOfManagedWindows());
 }
 
 namespace {
 
 class TestObserver : public wm::WindowStateObserver {
  public:
-  TestObserver(){};
-  ~TestObserver() override{};
+  TestObserver() {}
+  ~TestObserver() override {}
 
   // wm::WindowStateObserver:
   void OnPreWindowStateTypeChange(wm::WindowState* window_state,
                                   wm::WindowStateType old_type) override {
     pre_count_++;
     last_old_state_ = old_type;
   }
 
   void OnPostWindowStateTypeChange(wm::WindowState* window_state,
                                    wm::WindowStateType old_type) override {
@@ skipping 77 matching lines @@
   EXPECT_EQ(1, observer.GetPostCountAndReset());
   EXPECT_EQ(wm::WINDOW_STATE_TYPE_MINIMIZED,
             observer.GetLastOldStateAndReset());
 
   window_state->RemoveObserver(&observer);
 
   DestroyMaximizeModeWindowManager();
 }
 
 }  // namespace ash