Add QuicStringPiece which is actually StringPiece.

net/quic/platform/api/quic_text_utils.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_API_QUIC_TEXT_UTILS_H_
 #define NET_QUIC_PLATFORM_API_QUIC_TEXT_UTILS_H_
 
-#include "base/strings/string_piece.h"
+#include "net/quic/platform/api/quic_string_piece.h"
 #include "net/quic/platform/impl/quic_text_utils_impl.h"
 
 namespace net {
 
 // Various utilities for manipulating text.
 class QuicTextUtils {
  public:
   // Returns true if |data| starts with |prefix|, case sensitively.
-  static bool StartsWith(base::StringPiece data, base::StringPiece prefix) {
+  static bool StartsWith(QuicStringPiece data, QuicStringPiece prefix) {
     return QuicTextUtilsImpl::StartsWith(data, prefix);
   }
 
   // Returns true if |data| ends with |suffix|, case insensitively.
-  static bool EndsWithIgnoreCase(base::StringPiece data,
-                                 base::StringPiece suffix) {
+  static bool EndsWithIgnoreCase(QuicStringPiece data, QuicStringPiece suffix) {
     return QuicTextUtilsImpl::EndsWithIgnoreCase(data, suffix);
   }
 
   // Returns a new string in which |data| has been converted to lower case.
-  static std::string ToLower(base::StringPiece data) {
+  static std::string ToLower(QuicStringPiece data) {
     return QuicTextUtilsImpl::ToLower(data);
   }
 
   // Removes leading and trailing whitespace from |data|.
-  static void RemoveLeadingAndTrailingWhitespace(base::StringPiece* data) {
+  static void RemoveLeadingAndTrailingWhitespace(QuicStringPiece* data) {
     QuicTextUtilsImpl::RemoveLeadingAndTrailingWhitespace(data);
   }
 
   // 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 QuicTextUtilsImpl::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 QuicTextUtilsImpl::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 QuicTextUtilsImpl::StringToUint32(in, out);
   }
 
   // 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 QuicTextUtilsImpl::StringToSizeT(in, out);
   }
 
   // Returns a new string representing |in|.
   static std::string Uint64ToString(uint64_t in) {
     return QuicTextUtilsImpl::Uint64ToString(in);
   }
 
   // This converts |length| bytes of binary to a 2*|length|-character
   // hexadecimal representation.
   // Return value: 2*|length| characters of ASCII string.
   static std::string HexEncode(const char* data, size_t length) {
-    return HexEncode(base::StringPiece(data, length));
+    return HexEncode(QuicStringPiece(data, length));
   }
 
   // This converts |data.length()| bytes of binary to a
   // 2*|data.length()|-character hexadecimal representation.
   // Return value: 2*|data.length()| characters of ASCII string.
-  static std::string HexEncode(base::StringPiece data) {
+  static std::string HexEncode(QuicStringPiece data) {
     return QuicTextUtilsImpl::HexEncode(data);
   }
 
   // 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) {
     return QuicTextUtilsImpl::HexDecode(data);
   }
 
   // Base64 encodes with no padding |data_len| bytes of |data| into |output|.
   static void Base64Encode(const uint8_t* data,
                            size_t data_len,
                            std::string* output) {
     return QuicTextUtilsImpl::Base64Encode(data, data_len, output);
   }
 
   // Returns a 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_data) {
+  static std::string HexDump(QuicStringPiece binary_data) {
     return QuicTextUtilsImpl::HexDump(binary_data);
   }
 
   // Returns true if |data| contains any uppercase characters.
-  static bool ContainsUpperCase(base::StringPiece data) {
+  static bool ContainsUpperCase(QuicStringPiece data) {
     return QuicTextUtilsImpl::ContainsUpperCase(data);
   }
 
   // Splits |data| into a vector of pieces delimited by |delim|.
-  static std::vector<base::StringPiece> Split(base::StringPiece data,
-                                              char delim) {
+  static std::vector<QuicStringPiece> Split(QuicStringPiece data, char delim) {
     return QuicTextUtilsImpl::Split(data, delim);
   }
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_PLATFORM_API_QUIC_TEXT_UTILS_H_