Use a direct include of strings headers in ui/, part 2.

ui/base/range/range.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 "ui/base/range/range.h"
 
 #include <limits>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 
 namespace ui {
 
 Range::Range()
     : start_(0),
       end_(0) {
 }
 
 Range::Range(size_t start, size_t end)
     : start_(start),
@@ skipping 52 matching lines @@
     return InvalidRange();
 
   return Range(min, max);
 }
 
 std::string Range::ToString() const {
   return base::StringPrintf("{%" PRIuS ",%" PRIuS "}", start(), end());
 }
 
 }  // namespace gfx