Create variations target that depends on base.

chrome/browser/omnibox/omnibox_field_trial_unittest.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/omnibox/omnibox_field_trial.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/autocomplete/autocomplete_input.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/common/chrome_switches.h"
-#include "chrome/common/metrics/entropy_provider.h"
 #include "chrome/common/metrics/variations/variations_util.h"
+#include "components/variations/entropy_provider.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class OmniboxFieldTrialTest : public testing::Test {
  public:
   OmniboxFieldTrialTest() {
     ResetFieldTrialList();
   }
 
   void ResetFieldTrialList() {
     // Destroy the existing FieldTrialList before creating a new one to avoid
@@ skipping 265 matching lines @@
   ExpectRuleValue("",
                   "rule4", AutocompleteInput::BLANK);      // no global fallback
   ExpectRuleValue("",
                   "rule4", AutocompleteInput::HOME_PAGE);  // no global fallback
 
   // Tests for rule 5 (a missing rule).
   ExpectRuleValue("",
                   "rule5", AutocompleteInput::OTHER);      // no rule at all
 #endif  // !defined(OS_IOS) && !defined(OS_ANDROID)
 }