Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/extensions/api/declarative_content/chrome_content_rules_registry_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/browser/extensions/api/declarative_content/chrome_content_rules_registry.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/test/values_test_util.h"
@@ skipping 39 matching lines @@
 
   std::string GetPredicateApiAttributeName() const override {
     return "test_predicate";
   }
 
   std::unique_ptr<const ContentPredicate> CreatePredicate(
       const Extension* extension,
       const base::Value& value,
       std::string* error) override {
     RequestEvaluationIfSpecified();
-    return base::WrapUnique(new TestPredicate(this));
+    return base::MakeUnique<TestPredicate>(this);
   }
 
   void TrackPredicates(
       const std::map<const void*,
           std::vector<const ContentPredicate*>>& predicates) override {
     RequestEvaluationIfSpecified();
   }
 
   void StopTrackingPredicates(
       const std::vector<const void*>& predicate_groups) override {
@@ skipping 124 matching lines @@
   evaluator->RequestImmediateEvaluation(tab.get(), true);
   EXPECT_EQ(1u, registry->GetActiveRulesCountForTesting());
 
   evaluator->RequestEvaluationOnNextOperation(tab.get(), false);
   registry->DidNavigateMainFrame(tab.get(), content::LoadCommittedDetails(),
                                  content::FrameNavigateParams());
   EXPECT_EQ(0u, registry->GetActiveRulesCountForTesting());
 }
 
 }  // namespace extensions