Reduce size of body data sent in Trailers test.

net/tools/quic/end_to_end_test.cc

Index: net/tools/quic/end_to_end_test.cc
diff --git a/net/tools/quic/end_to_end_test.cc b/net/tools/quic/end_to_end_test.cc
index d1a3038aa63dfe27ae03b92206cd303358656417..047f7a7b9166d4f8810f727e3926e60aff7bb229 100644
--- a/net/tools/quic/end_to_end_test.cc
+++ b/net/tools/quic/end_to_end_test.cc
@@ -2146,13 +2146,12 @@ TEST_P(EndToEndTest, Trailers) {
   SetReorderPercentage(30);
 
   // Add a response with headers, body, and trailers.
-  const int kBodySize = 64 * 1024;  // 1 MB;
+  const string kBody = "body content";
+
   SpdyHeaderBlock headers;
   headers[":status"] = "200";
   headers[":version"] = "HTTP/1.1";
-  headers["content-length"] = IntToString(kBodySize);
-
-  const string kBody = string(kBodySize, 'x');
+  headers["content-length"] = IntToString(kBody.size());
 
   SpdyHeaderBlock trailers;
   trailers["some-trailing-header"] = "trailing-header-value";