Remove HttpAuth::Scheme enum in favor of a string.

net/spdy/spdy_proxy_client_socket_spdy3_unittest.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/spdy/spdy_proxy_client_socket.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/address_list.h"
@@ skipping 81 matching lines @@
   void AssertWriteReturns(const char* data, int len, int rv);
   void AssertWriteLength(int len);
   void AssertAsyncWriteWithReadsSucceeds(const char* data, int len,
                                         int num_reads);
 
   void AddAuthToCache() {
     const string16 kFoo(ASCIIToUTF16("foo"));
     const string16 kBar(ASCIIToUTF16("bar"));
     session_->http_auth_cache()->Add(GURL(kProxyUrl),
                                      "MyRealm1",
-                                     HttpAuth::AUTH_SCHEME_BASIC,
+                                     "basic",
                                      "Basic realm=MyRealm1",
                                      AuthCredentials(kFoo, kBar),
                                      "/");
   }
 
   void Run(int steps) {
     data_->StopAfter(steps);
     data_->Run();
   }
 
@@ skipping 1243 matching lines @@
                                          write_callback_.callback()));
 
   Run(2);
 
   EXPECT_FALSE(sock_.get());
   EXPECT_TRUE(read_callback.have_result());
   EXPECT_FALSE(write_callback_.have_result());
 }
 
 }  // namespace net