Remove legacy StartsWithASCII function.

components/user_manager/user_image/default_user_images.cc

 // Copyright 2014 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 "components/user_manager/user_image/default_user_images.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ skipping 61 matching lines @@
   return base::StringPrintf("%s%d", prefix.c_str(), index);
 }
 
 // Returns true if the string specified consists of the prefix and one of
 // the default images indices. Returns the index of the image in |image_id|
 // variable.
 bool IsDefaultImageString(const std::string& s,
                           const std::string& prefix,
                           int* image_id) {
   DCHECK(image_id);
-  if (!base::StartsWithASCII(s, prefix, true))
+  if (!base::StartsWith(s, prefix, base::CompareCase::SENSITIVE))
     return false;
 
   int image_index = -1;
   if (base::StringToInt(base::StringPiece(s.begin() + prefix.length(), s.end()),
                         &image_index)) {
     if (image_index < 0 || image_index >= kDefaultImagesCount)
       return false;
     *image_id = image_index;
     return true;
   }
@@ skipping 160 matching lines @@
 int GetDefaultImageHistogramValue(int index) {
   DCHECK(index >= 0 && index < kDefaultImagesCount);
   // Create a gap in histogram values for
   // [kHistogramImageFromCamera..kHistogramImageFromProfile] block to fit.
   if (index < kHistogramImageFromCamera)
     return index;
   return index + 6;
 }
 
 }  // namespace user_manager