Add QuicStringPiece which is actually StringPiece.

net/quic/platform/impl/quic_text_utils_impl.h

 // Copyright 2016 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.
 
 #ifndef NET_QUIC_PLATFORM_IMPL_QUIC_TEXT_UTILS_IMPL_H_
 #define NET_QUIC_PLATFORM_IMPL_QUIC_TEXT_UTILS_IMPL_H_
 
 #include <algorithm>
 
 #include "base/base64.h"
 #include "base/strings/string_number_conversions.h"
-#include "base/strings/string_piece.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "net/base/parse_number.h"
+#include "net/quic/platform/api/quic_string_piece.h"
 
 namespace net {
 
 // google3 implementation of QuicTextUtils.
 class QuicTextUtilsImpl {
  public:
   // Returns true of |data| starts with |prefix|, case sensitively.
-  static bool StartsWith(base::StringPiece data, base::StringPiece prefix) {
+  static bool StartsWith(QuicStringPiece data, QuicStringPiece prefix) {
     return base::StartsWith(data, prefix, base::CompareCase::SENSITIVE);
   }
 
   // Returns true of |data| ends with |suffix|, case insensitively.
-  static bool EndsWithIgnoreCase(base::StringPiece data,
-                                 base::StringPiece suffix) {
+  static bool EndsWithIgnoreCase(QuicStringPiece data, QuicStringPiece suffix) {
     return base::EndsWith(data, suffix, base::CompareCase::INSENSITIVE_ASCII);
   }
 
   // Returns a new std::string in which |data| has been converted to lower case.
-  static std::string ToLower(base::StringPiece data) {
+  static std::string ToLower(QuicStringPiece data) {
     return base::ToLowerASCII(data);
   }
 
   // Remove leading and trailing whitespace from |data|.
-  static void RemoveLeadingAndTrailingWhitespace(base::StringPiece* data) {
+  static void RemoveLeadingAndTrailingWhitespace(QuicStringPiece* data) {
     *data = base::TrimWhitespaceASCII(*data, base::TRIM_ALL);
   }
 
   // Returns true if |in| represents a valid uint64, and stores that value in
   // |out|.
-  static bool StringToUint64(base::StringPiece in, uint64_t* out) {
+  static bool StringToUint64(QuicStringPiece in, uint64_t* out) {
     return base::StringToUint64(in, out);
   }
 
   // Returns true if |in| represents a valid int, and stores that value in
   // |out|.
-  static bool StringToInt(base::StringPiece in, int* out) {
+  static bool StringToInt(QuicStringPiece in, int* out) {
     return base::StringToInt(in, out);
   }
 
   // Returns true if |in| represents a valid uint32, and stores that value in
   // |out|.
-  static bool StringToUint32(base::StringPiece in, uint32_t* out) {
+  static bool StringToUint32(QuicStringPiece in, uint32_t* out) {
     return ParseUint32(in, out, nullptr);
   }
 
   // Returns true if |in| represents a valid size_t, and stores that value in
   // |out|.
-  static bool StringToSizeT(base::StringPiece in, size_t* out) {
+  static bool StringToSizeT(QuicStringPiece in, size_t* out) {
     return base::StringToSizeT(in, out);
   }
 
   // Returns a new std::string representing |in|.
   static std::string Uint64ToString(uint64_t in) {
     return base::Uint64ToString(in);
   }
 
   // This converts |length| bytes of binary to a 2*|length|-character
   // hexadecimal representation.
   // Return value: 2*|length| characters of ASCII std::string.
-  static std::string HexEncode(base::StringPiece data) {
+  static std::string HexEncode(QuicStringPiece data) {
     return base::ToLowerASCII(::base::HexEncode(data.data(), data.size()));
   }
 
   // Converts |data| from a hexadecimal ASCII string to a binary string
   // that is |data.length()/2| bytes long.
-  static std::string HexDecode(base::StringPiece data) {
+  static std::string HexDecode(QuicStringPiece data) {
     if (data.empty())
       return "";
     std::vector<uint8_t> v;
     if (!base::HexStringToBytes(data.as_string(), &v))
       return "";
     std::string out;
     if (!v.empty())
       out.assign(reinterpret_cast<const char*>(&v[0]), v.size());
     return out;
   }
@@ skipping 15 matching lines @@
         output->resize(len);
       }
     }
   }
 
   // Returns a std::string containing hex and ASCII representations of |binary|,
   // side-by-side in the style of hexdump. Non-printable characters will be
   // printed as '.' in the ASCII output.
   // For example, given the input "Hello, QUIC!\01\02\03\04", returns:
   // "0x0000:  4865 6c6c 6f2c 2051 5549 4321 0102 0304  Hello,.QUIC!...."
-  static std::string HexDump(base::StringPiece binary_input) {
+  static std::string HexDump(QuicStringPiece binary_input) {
     int offset = 0;
     const int kBytesPerLine = 16;  // Max bytes dumped per line
     const char* buf = binary_input.data();
     int bytes_remaining = binary_input.size();
     std::string s;  // our output
     const char* p = buf;
     while (bytes_remaining > 0) {
       const int line_bytes = std::min(bytes_remaining, kBytesPerLine);
       base::StringAppendF(&s, "0x%04x:  ", offset);  // Do the line header
       for (int i = 0; i < kBytesPerLine; ++i) {
@@ skipping 12 matching lines @@
 
       bytes_remaining -= line_bytes;
       offset += line_bytes;
       p += line_bytes;
       s += '\n';
     }
     return s;
   }
 
   // Returns true if |data| contains any uppercase characters.
-  static bool ContainsUpperCase(base::StringPiece data) {
+  static bool ContainsUpperCase(QuicStringPiece data) {
     return std::any_of(data.begin(), data.end(), base::IsAsciiUpper<char>);
   }
 
   // Splits |data| into a vector of pieces delimited by |delim|.
-  static std::vector<base::StringPiece> Split(base::StringPiece data,
-                                              char delim) {
-    return base::SplitStringPiece(data, base::StringPiece(&delim, 1),
+  static std::vector<QuicStringPiece> Split(QuicStringPiece data, char delim) {
+    return base::SplitStringPiece(data, QuicStringPiece(&delim, 1),
                                   base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
   }
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_PLATFORM_IMPL_QUIC_TEXT_UTILS_IMPL_H_