Cleanup: Remove double semicolons.

components/variations/study_filtering_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 "components/variations/study_filtering.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
 
@@ skipping 102 matching lines @@
   for (size_t i = 0; i <= arraysize(form_factors); ++i) {
     for (size_t j = 0; j < arraysize(form_factors); ++j) {
       const bool expected = form_factor_added[j] ||
                             filter.form_factor_size() == 0;
       const bool result = internal::CheckStudyFormFactor(filter,
                                                          form_factors[j]);
       EXPECT_EQ(expected, result) << "Case " << i << "," << j << " failed!";
     }
 
     if (i < arraysize(form_factors)) {
-      const int index = arraysize(form_factors) - i - 1;;
+      const int index = arraysize(form_factors) - i - 1;
       filter.add_form_factor(form_factors[index]);
       form_factor_added[index] = true;
     }
   }
 }
 
 TEST(VariationsStudyFilteringTest, CheckStudyLocale) {
   struct {
     const char* filter_locales;
     bool en_us_result;
@@ skipping 439 matching lines @@
 
   default_group->set_name("def");
   EXPECT_TRUE(processed_study.Init(&study, false));
   Study_Experiment* repeated_group = study.add_experiment();
   repeated_group->set_name("abc");
   repeated_group->set_probability_weight(1);
   EXPECT_FALSE(processed_study.Init(&study, false));
 }
 
 }  // namespace variations