Remove trailing semicolon at the end of a method definition

chrome/browser/android/data_usage/data_use_matcher_unittest.cc

 // Copyright 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/android/data_usage/data_use_matcher.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
@@ skipping 46 matching lines @@
   base::TimeTicks now_ticks_;
 
   DISALLOW_COPY_AND_ASSIGN(NowTestTickClock);
 };
 
 class TestExternalDataUseObserverBridge
     : public chrome::android::ExternalDataUseObserverBridge {
  public:
   TestExternalDataUseObserverBridge() {}
   void FetchMatchingRules() const override {}
-  void ShouldRegisterAsDataUseObserver(bool should_register) const override{};
+  void ShouldRegisterAsDataUseObserver(bool should_register) const override {}
 };
 
 }  // namespace
 
 namespace chrome {
 
 namespace android {
 
 class ExternalDataUseObserver;
 
@@ skipping 471 matching lines @@
                             base::TimeDelta::FromMilliseconds(10001));
 
   EXPECT_TRUE(IsExpired(0));
   EXPECT_FALSE(data_use_matcher()->MatchesURL(GURL(kRegexFoo), &got_label));
   EXPECT_FALSE(data_use_matcher()->MatchesAppPackageName(kAppFoo, &got_label));
 }
 
 }  // namespace android
 
 }  // namespace chrome