Create variations target that depends on base.

components/variations/entropy_provider_unittest.cc

 // Copyright (c) 2012 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/common/metrics/entropy_provider.h"
+#include "components/variations/entropy_provider.h"
 
 #include <cmath>
 #include <limits>
 #include <numeric>
 
 #include "base/basictypes.h"
 #include "base/guid.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
-#include "chrome/common/metrics/metrics_util.h"
+#include "components/variations/metrics_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace metrics {
 
 namespace {
 
 // Size of the low entropy source to use for the permuted entropy provider
 // in tests.
 const size_t kMaxLowEntropySize = 8000;
 
@@ skipping 333 matching lines @@
       ++count;
     }
 
     ASSERT_LT(count, kMaxAttempts) << "Expected average was " <<
         kExpectedAverage << ", average ended at " << cumulative_average <<
         ", for trial " << kTestTrialNames[i];
   }
 }
 
 }  // namespace metrics