Server push cancellation: add methods in session layer to cancel push given the pushed url. Not in …

net/spdy/spdy_session.h

 // Copyright (c) 2012 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.
 
 #ifndef NET_SPDY_SPDY_SESSION_H_
 #define NET_SPDY_SPDY_SESSION_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 555 matching lines @@
   friend class SpdyProxyClientSocketTest;
   friend class SpdySessionTest;
   friend class SpdyStreamRequest;
 
   // Allow tests to access our innards for testing purposes.
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, ClientPing);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, FailedPing);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, GetActivePushStream);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, DeleteExpiredPushStreams);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, MetricsCollectionOnPushStreams);
+  FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, CancelPushBeforeClaimed);
+  FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, CancelPushAfterExpired);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, ProtocolNegotiation);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, ClearSettings);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, AdjustRecvWindowSize);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, AdjustSendWindowSize);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, SessionFlowControlInactiveStream);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest, SessionFlowControlPadding);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest,
                            SessionFlowControlTooMuchDataTwoDataFrames);
   FRIEND_TEST_ALL_PREFIXES(SpdySessionTest,
                            StreamFlowControlTooMuchDataTwoDataFrames);
@@ skipping 82 matching lines @@
   // Called when there is room to create more streams (e.g., a stream
   // was closed). Processes as many pending stream requests as
   // possible.
   void ProcessPendingStreamRequests();
 
   bool TryCreatePushStream(SpdyStreamId stream_id,
                            SpdyStreamId associated_stream_id,
                            SpdyPriority priority,
                            SpdyHeaderBlock headers);
 
+  // Called when the pushed stream should be cancelled. If the pushed stream is
+  // not claimed and active, sends RST to the server to cancel the stream.
+  void CancelPush(const GURL& url);
+
   // Close the stream pointed to by the given iterator. Note that that
   // stream may hold the last reference to the session.
   void CloseActiveStreamIterator(ActiveStreamMap::iterator it, int status);
 
   // Close the stream pointed to by the given iterator. Note that that
   // stream may hold the last reference to the session.
   void CloseCreatedStreamIterator(CreatedStreamSet::iterator it, int status);
 
   // Calls EnqueueResetStreamFrame() and then
   // CloseActiveStreamIterator().
@@ skipping 519 matching lines @@
   // Used for posting asynchronous IO tasks.  We use this even though
   // SpdySession is refcounted because we don't need to keep the SpdySession
   // alive if the last reference is within a RunnableMethod.  Just revoke the
   // method.
   base::WeakPtrFactory<SpdySession> weak_factory_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_SESSION_H_