Small fixes to allow unit tests to compile with gcc 4.7.x (tested with gcc 4.7.2)

net/spdy/spdy_test_util_spdy2.cc

Index: net/spdy/spdy_test_util_spdy2.cc
===================================================================
--- net/spdy/spdy_test_util_spdy2.cc	(revision 174065)
+++ net/spdy/spdy_test_util_spdy2.cc	(working copy)
@@ -320,13 +320,13 @@
 SpdyFrame* ConstructSpdyControlFrame(const char* const extra_headers[],
                                      int extra_header_count,
                                      bool compressed,
-                                     int stream_id,
+                                     SpdyStreamId stream_id,
                                      RequestPriority request_priority,
                                      SpdyControlType type,
                                      SpdyControlFlags flags,
                                      const char* const* kHeaders,
                                      int kHeadersSize,
-                                     int associated_stream_id) {
+                                     SpdyStreamId associated_stream_id) {
   const SpdyHeaderInfo kSynStartHeader = {
     type,                         // Kind = Syn
     stream_id,                    // Stream ID
@@ -354,7 +354,7 @@
 // Returns a SpdyFrame.
 SpdyFrame* ConstructSpdyGet(const char* const url,
                             bool compressed,
-                            int stream_id,
+                            SpdyStreamId stream_id,
                             RequestPriority request_priority) {
   const SpdyHeaderInfo kSynStartHeader = {
     SYN_STREAM,             // Kind = Syn