Make string_util::WriteInto() DCHECK() that the supplied |length_with_null| > 1, meaning that the...

net/http/http_mac_signature_unittest.cc

Index: net/http/http_mac_signature_unittest.cc
===================================================================
--- net/http/http_mac_signature_unittest.cc	(revision 107404)
+++ net/http/http_mac_signature_unittest.cc	(working copy)
@@ -59,7 +59,7 @@
   EXPECT_TRUE(signature.GenerateHeaderString(age, nonce, &header_string));
   EXPECT_EQ("MAC id=\"dfoi30j0qnf\", "
             "nonce=\"239034:mn4302j0n+32r2/f3r=\", "
-            "mac=\"GrkHtPKzB1m1dCHfa7OCWOw6EQ==\"",
+            "mac=\"GrkHtPKzB1m1dCHfa7OCWOw6Ecw=\"",
             header_string);
 }
 
@@ -104,6 +104,6 @@
 
   std::string mac;
   EXPECT_TRUE(signature.GenerateMAC(age, nonce, &mac));
-  EXPECT_EQ("GrkHtPKzB1m1dCHfa7OCWOw6EQ==", mac);
+  EXPECT_EQ("GrkHtPKzB1m1dCHfa7OCWOw6Ecw=", mac);
 }
 }