Stop using SpdySynReplyIR for SPDY 4.

net/spdy/spdy_proxy_client_socket_unittest.cc

Index: net/spdy/spdy_proxy_client_socket_unittest.cc
diff --git a/net/spdy/spdy_proxy_client_socket_unittest.cc b/net/spdy/spdy_proxy_client_socket_unittest.cc
index 1f9747d2f551d928832c573b63a6a29ababbd0b8..6bdbc663d6a3295e08c9c14b5938fa7cc6b153ea 100644
--- a/net/spdy/spdy_proxy_client_socket_unittest.cc
+++ b/net/spdy/spdy_proxy_client_socket_unittest.cc
@@ -72,7 +72,7 @@ class SpdyProxyClientSocketTest
   void Initialize(MockRead* reads, size_t reads_count, MockWrite* writes,
                   size_t writes_count);
   void PopulateConnectRequestIR(SpdySynStreamIR* syn_ir);
-  void PopulateConnectReplyIR(SpdySynReplyIR* reply_ir, const char* status);
+  void PopulateConnectReplyIR(SpdyHeaderBlock* block, const char* status);
   SpdyFrame* ConstructConnectRequestFrame();
   SpdyFrame* ConstructConnectAuthRequestFrame();
   SpdyFrame* ConstructConnectReplyFrame();
@@ -320,10 +320,10 @@ void SpdyProxyClientSocketTest::PopulateConnectRequestIR(
   spdy_util_.MaybeAddVersionHeader(syn_ir);
 }
 
-void SpdyProxyClientSocketTest::PopulateConnectReplyIR(SpdySynReplyIR* reply_ir,
+void SpdyProxyClientSocketTest::PopulateConnectReplyIR(SpdyHeaderBlock* block,
                                                        const char* status) {
-  reply_ir->SetHeader(spdy_util_.GetStatusKey(), status);
-  spdy_util_.MaybeAddVersionHeader(reply_ir);
+  (*block)[spdy_util_.GetStatusKey()] = status;
+  spdy_util_.MaybeAddVersionHeader(block);
 }
 
 // Constructs a standard SPDY SYN_STREAM frame for a CONNECT request.
@@ -345,34 +345,35 @@ SpdyFrame* SpdyProxyClientSocketTest::ConstructConnectAuthRequestFrame() {
 
 // Constructs a standard SPDY SYN_REPLY frame to match the SPDY CONNECT.
 SpdyFrame* SpdyProxyClientSocketTest::ConstructConnectReplyFrame() {
+  SpdyHeaderBlock block;
+  PopulateConnectReplyIR(&block, "200");
   SpdySynReplyIR reply_ir(kStreamId);
-  PopulateConnectReplyIR(&reply_ir, "200");
-  return spdy_util_.CreateFramer(false)->SerializeFrame(reply_ir);
+  return spdy_util_.ConstructSpdyReply(kStreamId, block);
 }
 
 // Constructs a standard SPDY SYN_REPLY frame to match the SPDY CONNECT,
 // including Proxy-Authenticate headers.
 SpdyFrame* SpdyProxyClientSocketTest::ConstructConnectAuthReplyFrame() {
-  SpdySynReplyIR reply_ir(kStreamId);
-  PopulateConnectReplyIR(&reply_ir, "407");
-  reply_ir.SetHeader("proxy-authenticate", "Basic realm=\"MyRealm1\"");
-  return framer_.SerializeFrame(reply_ir);
+  SpdyHeaderBlock block;
+  PopulateConnectReplyIR(&block, "407");
+  block["proxy-authenticate"] = "Basic realm=\"MyRealm1\"";
+  return spdy_util_.ConstructSpdyReply(kStreamId, block);
 }
 
 // Constructs a SPDY SYN_REPLY frame with an HTTP 302 redirect.
 SpdyFrame* SpdyProxyClientSocketTest::ConstructConnectRedirectReplyFrame() {
-  SpdySynReplyIR reply_ir(kStreamId);
-  PopulateConnectReplyIR(&reply_ir, "302");
-  reply_ir.SetHeader("location", kRedirectUrl);
-  reply_ir.SetHeader("set-cookie", "foo=bar");
-  return framer_.SerializeFrame(reply_ir);
+  SpdyHeaderBlock block;
+  PopulateConnectReplyIR(&block, "302");
+  block["location"] = kRedirectUrl;
+  block["set-cookie"] = "foo=bar";
+  return spdy_util_.ConstructSpdyReply(kStreamId, block);
 }
 
 // Constructs a SPDY SYN_REPLY frame with an HTTP 500 error.
 SpdyFrame* SpdyProxyClientSocketTest::ConstructConnectErrorReplyFrame() {
-  SpdySynReplyIR reply_ir(kStreamId);
-  PopulateConnectReplyIR(&reply_ir, "500");
-  return framer_.SerializeFrame(reply_ir);
+  SpdyHeaderBlock block;
+  PopulateConnectReplyIR(&block, "500");
+  return spdy_util_.ConstructSpdyReply(kStreamId, block);
 }
 
 SpdyFrame* SpdyProxyClientSocketTest::ConstructBodyFrame(