net: Update the include paths of base/string_piece.h to its new location.

net/base/escape.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 "net/base/escape.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/string_piece.h"
 #include "base/string_util.h"
+#include "base/strings/string_piece.h"
 #include "base/strings/utf_offset_string_conversions.h"
 #include "base/utf_string_conversions.h"
 
 namespace net {
 
 namespace {
 
 const char kHexString[] = "0123456789ABCDEF";
 inline char IntToHex(int i) {
   DCHECK_GE(i, 0) << i << " not a hex value";
@@ skipping 360 matching lines @@
       return;
     }
     adjusted_offset -= 2;
   }
   offset = adjusted_offset;
 }
 
 }  // namespace internal
 
 }  // namespace net