Implement prefetching in chrome

net/http/http_network_transaction.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_network_transaction.h"
 
 #include <set>
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 1815 matching lines @@
     STATE_CASE(STATE_SPDY_READ_BODY);
     STATE_CASE(STATE_SPDY_READ_BODY_COMPLETE);
     STATE_CASE(STATE_NONE);
     default:
       description = StringPrintf("Unknown state 0x%08X (%u)", state, state);
       break;
   }
   return description;
 }
 
+// TODO(gavinp): re-adjust this once SPDY v3 has three priority bits,
+// eliminating the need for this folding.
+int ConvertRequestPriorityToSpdyPriority(const RequestPriority priority) {
+  DCHECK(HIGHEST <= priority && priority < NUM_PRIORITIES);
+  switch (priority) {
+    case LOWEST:
+      return SPDY_PRIORITY_LOWEST-1;
+    case IDLE:
+      return SPDY_PRIORITY_LOWEST;
+    default:
+      return priority;
+  }
+}
+
+
+
 #undef STATE_CASE
 
 }  // namespace net