Replace ToLower calls to the new format

chrome/renderer/safe_browsing/phishing_dom_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/renderer/safe_browsing/phishing_dom_feature_extractor.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/location.h"
@@ skipping 309 matching lines @@
 }
 
 void PhishingDOMFeatureExtractor::HandleInput(
     const blink::WebElement& element) {
   // The HTML spec says that if the type is unspecified, it defaults to text.
   // In addition, any unrecognized type will be treated as a text input.
   //
   // Note that we use the attribute value rather than
   // WebFormControlElement::formControlType() for consistency with the
   // way the phishing classification model is created.
-  std::string type = element.getAttribute("type").utf8();
-  base::StringToLowerASCII(&type);
+  std::string type = base::ToLowerASCII(element.getAttribute("type").utf8());
   if (type == "password") {
     ++page_feature_state_->num_pswd_inputs;
   } else if (type == "radio") {
     ++page_feature_state_->num_radio_inputs;
   } else if (type == "checkbox") {
     ++page_feature_state_->num_check_inputs;
   } else if (type != "submit" && type != "reset" && type != "file" &&
              type != "hidden" && type != "image" && type != "button") {
     // Note that there are a number of new input types in HTML5 that are not
     // handled above.  For now, we will consider these as text inputs since
@@ skipping 155 matching lines @@
   // Record number of script tags (discretized for numerical stability.)
   if (page_feature_state_->num_script_tags > 1) {
     features_->AddBooleanFeature(features::kPageNumScriptTagsGTOne);
     if (page_feature_state_->num_script_tags > 6) {
       features_->AddBooleanFeature(features::kPageNumScriptTagsGTSix);
     }
   }
 }
 
 }  // namespace safe_browsing