SpdyFramer hooks for parsing and handling PRIORITY frames.

net/spdy/spdy_protocol.h

Index: net/spdy/spdy_protocol.h
diff --git a/net/spdy/spdy_protocol.h b/net/spdy/spdy_protocol.h
index 0310d37b1f9860fb4e9c83a66fb1bb53edaacfdc..dde53cecf23621dfcc96dcc959b76bd29aaacddf 100644
--- a/net/spdy/spdy_protocol.h
+++ b/net/spdy/spdy_protocol.h
@@ -962,6 +962,29 @@ class NET_EXPORT_PRIVATE SpdyAltSvcIR : public SpdyFrameWithStreamIdIR {
   DISALLOW_COPY_AND_ASSIGN(SpdyAltSvcIR);
 };
 
+class NET_EXPORT_PRIVATE SpdyPriorityIR : public SpdyFrameWithStreamIdIR {
+ public:
+  explicit SpdyPriorityIR(SpdyStreamId stream_id);
+  explicit SpdyPriorityIR(SpdyStreamId stream_id,
+                          SpdyStreamId parent_stream_id,
+                          uint8 weight,
+                          bool exclusive);
+  SpdyStreamId parent_stream_id() const { return parent_stream_id_; }
+  void set_parent_stream_id(SpdyStreamId id) { parent_stream_id_ = id; }
+  uint8 weight() const { return weight_; }
+  void set_weight(uint8 weight) { weight_ = weight; }
+  bool exclusive() const { return exclusive_; }
+  void set_exclusive(bool exclusive) { exclusive_ = exclusive; }
+
+  virtual void Visit(SpdyFrameVisitor* visitor) const OVERRIDE;
+
+ private:
+  SpdyStreamId parent_stream_id_;
+  uint8 weight_;
+  bool exclusive_;
+  DISALLOW_COPY_AND_ASSIGN(SpdyPriorityIR);
+};
+
 // -------------------------------------------------------------------------
 // Wrapper classes for various SPDY frames.
 
@@ -1023,6 +1046,7 @@ class SpdyFrameVisitor {
   virtual void VisitPushPromise(const SpdyPushPromiseIR& push_promise) = 0;
   virtual void VisitContinuation(const SpdyContinuationIR& continuation) = 0;
   virtual void VisitAltSvc(const SpdyAltSvcIR& altsvc) = 0;
+  virtual void VisitPriority(const SpdyPriorityIR& priority) = 0;
   virtual void VisitData(const SpdyDataIR& data) = 0;
 
  protected: