Pull HTTP/2 header parsing into utility method, from QuicSpdy{Client,Server}Streams. Not used in pr…

net/quic/spdy_utils.h

Index: net/quic/spdy_utils.h
diff --git a/net/quic/spdy_utils.h b/net/quic/spdy_utils.h
index 28b48dbe5d900175f4bd85208f1a901fef2896b4..87fa0087a77964faabc8dae1230e7f047b2712a2 100644
--- a/net/quic/spdy_utils.h
+++ b/net/quic/spdy_utils.h
@@ -5,6 +5,7 @@
 #ifndef NET_QUIC_SPDY_UTILS_H_
 #define NET_QUIC_SPDY_UTILS_H_
 
+#include <map>
 #include <string>
 
 #include "net/base/net_export.h"
@@ -18,6 +19,16 @@ class NET_EXPORT_PRIVATE SpdyUtils {
   static std::string SerializeUncompressedHeaders(
       const SpdyHeaderBlock& headers);
 
+  // Parses |data| as a std::string containing serialized HTTP/2 HEADERS frame,
+  // populating |headers| with the key->value std:pairs found.
+  // |content_length| will be populated with the value of the content-length
+  // header if one or more are present.
+  // Returns true on success, false if parsing fails, or invalid keys are found.
+  static bool ParseHeaders(const char* data,
+                           uint32 data_len,
+                           int* content_length,
+                           SpdyHeaderBlock* headers);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(SpdyUtils);
 };