Remove trailing semicolon at the end of a method definition

chrome/browser/android/data_usage/data_use_tab_model_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_tab_model.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
@@ skipping 63 matching lines @@
   MOCK_METHOD1(NotifyTrackingStarting, void(SessionID::id_type tab_id));
   MOCK_METHOD1(NotifyTrackingEnding, void(SessionID::id_type tab_id));
   MOCK_METHOD0(OnDataUseTabModelReady, void());
 };
 
 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 {}
 };
 
 std::unique_ptr<content::NavigationEntry> CreateNavigationEntry(
     const std::string& url) {
   auto navigation_entry(content::NavigationEntry::Create());
   navigation_entry->SetURL(GURL(url));
   return navigation_entry;
 }
 
 void ExpectDataUseLabelInNavigationEntry(
@@ skipping 1046 matching lines @@
   RegisterURLRegexes(app_package_names, domain_regexes, labels);
   data_use_tab_model_->OnControlAppInstallStateChange(false);
   data_use_tab_model_->OnControlAppInstallStateChange(true);
   testing::Mock::VerifyAndClearExpectations(&mock_observer);
   EXPECT_TRUE(data_use_tab_model_->is_ready_for_navigation_event());
 }
 
 }  // namespace android
 
 }  // namespace chrome