chrome: Use stl utilities from the base namespace

chrome/browser/extensions/api/declarative_content/declarative_content_page_url_condition_tracker_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/extensions/api/declarative_content/declarative_content_page_url_condition_tracker.h"
 
 #include <set>
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 21 matching lines @@
   class Delegate : public ContentPredicateEvaluator::Delegate {
    public:
     Delegate() {}
 
     std::set<content::WebContents*>& evaluation_requests() {
       return evaluation_requests_;
     }
 
     // ContentPredicateEvaluator::Delegate:
     void RequestEvaluation(content::WebContents* contents) override {
-      EXPECT_FALSE(ContainsKey(evaluation_requests_, contents));
+      EXPECT_FALSE(base::ContainsKey(evaluation_requests_, contents));
       evaluation_requests_.insert(contents);
     }
 
     bool ShouldManageConditionsForBrowserContext(
         content::BrowserContext* context) override {
       return true;
     }
 
    private:
     std::set<content::WebContents*> evaluation_requests_;
@@ skipping 231 matching lines @@
   EXPECT_THAT(delegate_.evaluation_requests(),
               UnorderedElementsAre(tab.get()));
 
   delegate_.evaluation_requests().clear();
   tracker_.StopTrackingPredicates(std::vector<const void*>(1, group));
   EXPECT_THAT(delegate_.evaluation_requests(),
               UnorderedElementsAre(/* empty */));
 }
 
 }  // namespace extensions