Adds response trailers to the QuicInMemoryCache's Responses. Currently unused, this is preparation …

net/tools/quic/quic_in_memory_cache.cc

Index: net/tools/quic/quic_in_memory_cache.cc
diff --git a/net/tools/quic/quic_in_memory_cache.cc b/net/tools/quic/quic_in_memory_cache.cc
index 0671099e1ee577bd5c121e41037db23627a05a83..fd77050b49e91ccb6f6c680e4cef27e71a287a27 100644
--- a/net/tools/quic/quic_in_memory_cache.cc
+++ b/net/tools/quic/quic_in_memory_cache.cc
@@ -85,14 +85,24 @@ void QuicInMemoryCache::AddResponse(StringPiece host,
                                     StringPiece path,
                                     const SpdyHeaderBlock& response_headers,
                                     StringPiece response_body) {
-  AddResponseImpl(host, path, REGULAR_RESPONSE, response_headers,
-                  response_body);
+  AddResponseImpl(host, path, REGULAR_RESPONSE, response_headers, response_body,
+                  SpdyHeaderBlock());
+}
+
+void QuicInMemoryCache::AddResponse(StringPiece host,
+                                    StringPiece path,
+                                    const SpdyHeaderBlock& response_headers,
+                                    StringPiece response_body,
+                                    const SpdyHeaderBlock& response_trailers) {
+  AddResponseImpl(host, path, REGULAR_RESPONSE, response_headers, response_body,
+                  response_trailers);
 }
 
 void QuicInMemoryCache::AddSpecialResponse(StringPiece host,
                                            StringPiece path,
                                            SpecialResponseType response_type) {
-  AddResponseImpl(host, path, response_type, SpdyHeaderBlock(), "");
+  AddResponseImpl(host, path, response_type, SpdyHeaderBlock(), "",
+                  SpdyHeaderBlock());
 }
 
 QuicInMemoryCache::QuicInMemoryCache() {}
@@ -187,11 +197,13 @@ QuicInMemoryCache::~QuicInMemoryCache() {
   STLDeleteValues(&responses_);
 }
 
-void QuicInMemoryCache::AddResponseImpl(StringPiece host,
-                                        StringPiece path,
-                                        SpecialResponseType response_type,
-                                        const SpdyHeaderBlock& response_headers,
-                                        StringPiece response_body) {
+void QuicInMemoryCache::AddResponseImpl(
+    StringPiece host,
+    StringPiece path,
+    SpecialResponseType response_type,
+    const SpdyHeaderBlock& response_headers,
+    StringPiece response_body,
+    const SpdyHeaderBlock& response_trailers) {
   string key = GetKey(host, path);
   if (ContainsKey(responses_, key)) {
     LOG(DFATAL) << "Response for '" << key << "' already exists!";
@@ -201,6 +213,7 @@ void QuicInMemoryCache::AddResponseImpl(StringPiece host,
   new_response->set_response_type(response_type);
   new_response->set_headers(response_headers);
   new_response->set_body(response_body);
+  new_response->set_trailers(response_trailers);
   responses_[key] = new_response;
 }