[Cleanup] Remove StringPrintf from global namespace

chrome/browser/safe_browsing/browser_feature_extractor.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/safe_browsing/browser_feature_extractor.h"
 
 #include <map>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 41 matching lines @@
 
 static void AddNavigationFeatures(
     const std::string& feature_prefix,
     const NavigationController& controller,
     int index,
     const std::vector<GURL>& redirect_chain,
     ClientPhishingRequest* request) {
   NavigationEntry* entry = controller.GetEntryAtIndex(index);
   bool is_secure_referrer = entry->GetReferrer().url.SchemeIsSecure();
   if (!is_secure_referrer) {
-    AddFeature(StringPrintf("%s%s=%s",
-                            feature_prefix.c_str(),
-                            features::kReferrer,
-                            entry->GetReferrer().url.spec().c_str()),
+    AddFeature(base::StringPrintf("%s%s=%s",
+                                  feature_prefix.c_str(),
+                                  features::kReferrer,
+                                  entry->GetReferrer().url.spec().c_str()),
                1.0,
                request);
   }
   AddFeature(feature_prefix + features::kHasSSLReferrer,
              is_secure_referrer ? 1.0 : 0.0,
              request);
   AddFeature(feature_prefix + features::kPageTransitionType,
              static_cast<double>(
                  content::PageTransitionStripQualifier(
                     entry->GetTransitionType())),
@@ skipping 19 matching lines @@
                1.0,
                request);
     return;
   }
   // We skip the last element since it should just be the current url.
   for (size_t i = 0; i < redirect_chain.size() - 1; i++) {
     std::string printable_redirect = redirect_chain[i].spec();
     if (redirect_chain[i].SchemeIsSecure()) {
       printable_redirect = features::kSecureRedirectValue;
     }
-    AddFeature(StringPrintf("%s%s[%"PRIuS"]=%s",
-                            feature_prefix.c_str(),
-                            features::kRedirect,
-                            i,
-                            printable_redirect.c_str()),
+    AddFeature(base::StringPrintf("%s%s[%"PRIuS"]=%s",
+                                  feature_prefix.c_str(),
+                                  features::kRedirect,
+                                  i,
+                                  printable_redirect.c_str()),
                1.0,
                request);
   }
 }
 
 BrowserFeatureExtractor::BrowserFeatureExtractor(
     WebContents* tab,
     ClientSideDetectionService* service)
     : tab_(tab),
       service_(service),
@@ skipping 325 matching lines @@
                                                     Profile::EXPLICIT_ACCESS);
     if (*history) {
       return true;
     }
   }
   VLOG(2) << "Unable to query history.  No history service available.";
   return false;
 }
 
 }  // namespace safe_browsing