Remove trailing semicolon at the end of a method definition

ios/chrome/browser/native_app_launcher/native_app_infobar_controller_unittest.mm

 // 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.
 
 #import "ios/chrome/browser/native_app_launcher/native_app_infobar_controller.h"
 
 #include <memory>
 
 #include "base/mac/scoped_nsobject.h"
 #import "ios/public/provider/chrome/browser/native_app_launcher/native_app_types.h"
@@ skipping 36 matching lines @@
     };
 
    private:
     int performedActionCount_;
     NativeAppActionType userAction_;
     NativeAppActionType expectedUserAction_;
   };
 
   class MockInfobarViewDelegate : public InfoBarViewDelegate {
    public:
-    void SetInfoBarTargetHeight(int height) override{};
-    void InfoBarDidCancel() override{};
-    void InfoBarButtonDidPress(NSUInteger button_id) override{};
+    void SetInfoBarTargetHeight(int height) override {}
+    void InfoBarDidCancel() override {}
+    void InfoBarButtonDidPress(NSUInteger button_id) override {}
   };
 
  protected:
   void SetUpWithType(NativeAppControllerType type) {
     mockDelegate_.reset(new MockNativeAppInfoBarDelegate(type));
     mockInfoBarViewDelegate_.reset(new MockInfobarViewDelegate());
     infobarController_.reset([[NativeAppInfoBarController alloc]
         initWithDelegate:mockInfoBarViewDelegate_.get()]);
     [infobarController_ setInfoBarDelegate:mockDelegate_.get()];
   };
@@ skipping 26 matching lines @@
 }
 
 TEST_F(NativeAppInfoBarControllerTest, TestActionsWithOpenPolicyInfoBar) {
   SetUpWithType(NATIVE_APP_OPEN_POLICY_CONTROLLER);
   ExpectUserPerformedAction(NATIVE_APP_ACTION_CLICK_ONCE);
   ExpectUserPerformedAction(NATIVE_APP_ACTION_CLICK_ALWAYS);
   ExpectUserPerformedAction(NATIVE_APP_ACTION_DISMISS);
 }
 
 }  // namespace