Roll base to 5e00da80f6adb7082d1c0e88d3274cf87cc43bc5 and tonic to f7acabb8fa6c91124486a41194eac3cd…

ui/gl/gl_version_info.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 "ui/gl/gl_version_info.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_util.h"
 
 namespace gfx {
 
 GLVersionInfo::GLVersionInfo(const char* version_str, const char* renderer_str)
     : is_es(false),
       is_angle(false),
       major_version(0),
       minor_version(0),
       is_es3(false) {
   if (version_str) {
-    std::string lstr(base::StringToLowerASCII(std::string(version_str)));
+    std::string lstr(base::ToLowerASCII(std::string(version_str)));
     is_es = (lstr.length() > 12) && (lstr.substr(0, 9) == "opengl es");
     if (is_es)
       lstr = lstr.substr(10, 3);
     base::StringTokenizer tokenizer(lstr.begin(), lstr.end(), ".");
     unsigned major, minor;
     if (tokenizer.GetNext() &&
         base::StringToUint(tokenizer.token_piece(), &major)) {
       major_version = major;
       if (tokenizer.GetNext() &&
           base::StringToUint(tokenizer.token_piece(), &minor)) {
         minor_version = minor;
       }
     }
     if (is_es && major_version == 3)
       is_es3 = true;
   }
   if (renderer_str) {
     is_angle =
         base::StartsWith(renderer_str, "ANGLE", base::CompareCase::SENSITIVE);
   }
 }
 
 }  // namespace gfx