Fix a pair of Cronet upload bugs and add tests.

net/test/embedded_test_server/http_request.h

 // 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.
 
 #ifndef NET_TEST_EMBEDDED_TEST_SERVER_HTTP_REQUEST_H_
 #define NET_TEST_EMBEDDED_TEST_SERVER_HTTP_REQUEST_H_
 
 #include <map>
 #include <string>
 
@@ skipping 17 matching lines @@
 
 // Represents a HTTP request. Since it can be big, use scoped_ptr to pass it
 // instead of copying. However, the struct is copyable so tests can save and
 // examine a HTTP request.
 struct HttpRequest {
   HttpRequest();
   ~HttpRequest();
 
   std::string relative_url;  // Starts with '/'. Example: "/test?query=foo"
   HttpMethod method;
+  std::string method_string;
   std::map<std::string, std::string> headers;
   std::string content;
   bool has_content;
 };
 
 // Parses the input data and produces a valid HttpRequest object. If there is
 // more than one request in one chunk, then only the first one will be parsed.
 // The common use is as below:
 // HttpRequestParser parser;
 // (...)
@@ skipping 58 matching lines @@
   // Content length of the request currently being parsed.
   size_t declared_content_length_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpRequestParser);
 };
 
 }  // namespace test_server
 }  // namespace net
 
 #endif  // NET_TEST_EMBEDDED_TEST_SERVER_HTTP_REQUEST_H_