Revert of Update SplitString calls to new form

ui/events/ozone/evdev/event_device_test_util.cc

 // Copyright 2015 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/events/ozone/evdev/event_device_test_util.h"
 
 #include "base/format_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
@@ skipping 25 matching lines @@
 
   if (ret.length() == 0)
     ret = "0";
 
   return ret;
 }
 
 bool ParseBitfield(const std::string& bitfield,
                    size_t max_bits,
                    std::vector<unsigned long>* out) {
-  std::vector<std::string> groups = base::SplitString(
-      bitfield, " ", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
+  std::vector<std::string> groups;
+  base::SplitString(bitfield, ' ', &groups);
 
   out->resize(EVDEV_BITS_TO_LONGS(max_bits));
 
   // Convert big endian 64-bit groups to little endian EVDEV_LONG_BIT groups.
-  for (size_t i = 0; i < groups.size(); ++i) {
+  for (unsigned int i = 0; i < groups.size(); ++i) {
     int off = groups.size() - 1 - i;
 
     uint64_t val;
     if (!base::HexStringToUInt64(groups[off], &val))
       return false;
 
     for (int j = 0; j < kTestDataWordSize; ++j) {
       unsigned int code = i * kTestDataWordSize + j;
 
       if (code >= max_bits)
@@ skipping 429 matching lines @@
   }
 
   int bustype = 0;
   sscanf(capabilities.bustype, "%x", &bustype);
   devinfo->SetDeviceType(InputDeviceTypeFromBusType(bustype));
 
   return true;
 }
 
 }  // namespace ui