Remove legacy StartsWithASCII function.

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"
 
@@ skipping 32 matching lines @@
       is_angle(false),
       major_version(0),
       minor_version(0),
       is_es3(false),
       is_desktop_core_profile(false) {
   if (version_str) {
     ParseVersionString(version_str, &major_version, &minor_version,
                        &is_es, &is_es3);
   }
   if (renderer_str) {
-    is_angle = base::StartsWithASCII(renderer_str, "ANGLE", true);
+    is_angle = base::StartsWith(renderer_str, "ANGLE",
+                                base::CompareCase::SENSITIVE);
   }
 }
 
 void GLVersionInfo::ParseVersionString(const char* version_str,
                                        unsigned* major_version,
                                        unsigned* minor_version,
                                        bool* is_es,
                                        bool* is_es3) {
   // Make sure the outputs are always initialized.
   *major_version = 0;
@@ skipping 14 matching lines @@
     if (tokenizer.GetNext() &&
         base::StringToUint(tokenizer.token_piece(), &minor)) {
       *minor_version = minor;
     }
   }
   if (*is_es && *major_version == 3)
     *is_es3 = true;
 }
 
 }  // namespace gfx