Revert "Reland r42300: "HttpRequestHeaders refactor."""

net/http/http_request_headers.cc

Index: net/http/http_request_headers.cc
diff --git a/net/http/http_request_headers.cc b/net/http/http_request_headers.cc
deleted file mode 100644
index 0a23d479155723afb4943556af808e293b9028e6..0000000000000000000000000000000000000000
--- a/net/http/http_request_headers.cc
+++ /dev/null
@@ -1,134 +0,0 @@
-// Copyright (c) 2010 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/http/http_request_headers.h"
-
-#include "base/logging.h"
-#include "base/string_util.h"
-#include "net/http/http_util.h"
-
-namespace net {
-
-const char HttpRequestHeaders::kGetMethod[] = "GET";
-
-const char HttpRequestHeaders::kCacheControl[] = "Cache-Control";
-const char HttpRequestHeaders::kConnection[] = "Connection";
-const char HttpRequestHeaders::kContentLength[] = "Content-Length";
-const char HttpRequestHeaders::kHost[] = "Host";
-const char HttpRequestHeaders::kPragma[] = "Pragma";
-const char HttpRequestHeaders::kProxyConnection[] = "Proxy-Connection";
-const char HttpRequestHeaders::kReferer[] = "Referer";
-const char HttpRequestHeaders::kUserAgent[] = "User-Agent";
-
-HttpRequestHeaders::HttpRequestHeaders() {}
-HttpRequestHeaders::~HttpRequestHeaders() {}
-
-void HttpRequestHeaders::SetRequestLine(const base::StringPiece& method,
-                                        const base::StringPiece& path,
-                                        const base::StringPiece& version) {
-  DCHECK(!method.empty());
-  DCHECK(!path.empty());
-  DCHECK(!version.empty());
-
-  method_.assign(method.data(), method.length());
-  path_.assign(path.data(), path.length());
-  version_.assign(version.data(), version.length());
-}
-
-void HttpRequestHeaders::SetHeader(const base::StringPiece& key,
-                                   const base::StringPiece& value) {
-  HeaderVector::iterator it = FindHeader(key);
-  if (it != headers_.end())
-    it->value = value.as_string();
-  else
-    headers_.push_back(HeaderKeyValuePair(key.as_string(), value.as_string()));
-}
-
-void HttpRequestHeaders::RemoveHeader(const base::StringPiece& key) {
-  HeaderVector::iterator it = FindHeader(key);
-  if (it != headers_.end())
-    headers_.erase(it);
-}
-
-void HttpRequestHeaders::AddHeaderFromString(
-    const base::StringPiece& header_line) {
-  DCHECK_EQ(std::string::npos, header_line.find("\r\n"))
-      << "\"" << header_line << "\" contains CRLF.";
-
-  const std::string::size_type key_end_index = header_line.find(":");
-  if (key_end_index == std::string::npos) {
-    LOG(DFATAL) << "\"" << header_line << "\" is missing colon delimiter.";
-    return;
-  }
-
-  if (key_end_index == 0) {
-    LOG(DFATAL) << "\"" << header_line << "\" is missing header key.";
-    return;
-  }
-
-  const base::StringPiece header_key(header_line.data(), key_end_index);
-
-  const std::string::size_type value_index = key_end_index + 1;
-
-  if (value_index < header_line.size()) {
-    std::string header_value(header_line.data() + value_index,
-                             header_line.size() - value_index);
-    std::string::const_iterator header_value_begin =
-        header_value.begin();
-    std::string::const_iterator header_value_end =
-        header_value.end();
-    HttpUtil::TrimLWS(&header_value_begin, &header_value_end);
-    SetHeader(header_key,
-              base::StringPiece(&*header_value_begin,
-                                header_value_end - header_value_begin));
-  } else if (value_index == header_line.size()) {
-    SetHeader(header_key, "");
-  } else {
-    NOTREACHED();
-  }
-}
-
-void HttpRequestHeaders::MergeFrom(const HttpRequestHeaders& other) {
-  DCHECK(other.method_.empty());
-  DCHECK(other.path_.empty());
-  DCHECK(other.version_.empty());
-
-  for (HeaderVector::const_iterator it = other.headers_.begin();
-       it != other.headers_.end(); ++it ) {
-    SetHeader(it->key, it->value);
-  }
-}
-
-std::string HttpRequestHeaders::ToString() const {
-  std::string output;
-  if (!method_.empty()) {
-    DCHECK(!path_.empty());
-    DCHECK(!version_.empty());
-    output = StringPrintf(
-        "%s %s HTTP/%s\r\n", method_.c_str(), path_.c_str(), version_.c_str());
-  }
-  for (HeaderVector::const_iterator it = headers_.begin();
-       it != headers_.end(); ++it) {
-    if (!it->value.empty())
-      StringAppendF(&output, "%s: %s\r\n", it->key.c_str(), it->value.c_str());
-    else
-      StringAppendF(&output, "%s:\r\n", it->key.c_str());
-  }
-  output.append("\r\n");
-  return output;
-}
-
-HttpRequestHeaders::HeaderVector::iterator
-HttpRequestHeaders::FindHeader(const base::StringPiece& key) {
-  for (HeaderVector::iterator it = headers_.begin();
-       it != headers_.end(); ++it) {
-    if (key.length() == it->key.length() &&
-        !base::strncasecmp(key.data(), it->key.data(), key.length()))
-      return it;
-  }
-
-  return headers_.end();
-}
-
-}  // namespace net