Remove legacy StartsWithASCII function.

content/browser/gamepad/gamepad_platform_data_fetcher_linux.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 "content/browser/gamepad/gamepad_platform_data_fetcher_linux.h"
 
 #include <fcntl.h>
 #include <linux/joystick.h>
 #include <string.h>
 #include <sys/stat.h>
@@ skipping 24 matching lines @@
 
 bool IsGamepad(udev_device* dev, int* index, std::string* path) {
   if (!device::udev_device_get_property_value(dev, "ID_INPUT_JOYSTICK"))
     return false;
 
   const char* node_path = device::udev_device_get_devnode(dev);
   if (!node_path)
     return false;
 
   static const char kJoystickRoot[] = "/dev/input/js";
-  bool is_gamepad = base::StartsWithASCII(node_path, kJoystickRoot, true);
+  bool is_gamepad = base::StartsWith(node_path, kJoystickRoot,
+                                     base::CompareCase::SENSITIVE);
   if (!is_gamepad)
     return false;
 
   int tmp_idx = -1;
   const int base_len = sizeof(kJoystickRoot) - 1;
   base::StringPiece str(&node_path[base_len], strlen(node_path) - base_len);
   if (!base::StringToInt(str, &tmp_idx))
     return false;
   if (tmp_idx < 0 ||
       tmp_idx >= static_cast<int>(blink::WebGamepads::itemsLengthCap)) {
@@ skipping 204 matching lines @@
       pad.buttons[item].pressed = event.value;
       pad.buttons[item].value = event.value ? 1.0 : 0.0;
       if (item >= pad.buttonsLength)
         pad.buttonsLength = item + 1;
     }
     pad.timestamp = event.time;
   }
 }
 
 }  // namespace content