Deprecate gfe2_reloadable_flag_quic_fix_bytes_left_for_batch_write.

PiperOrigin-RevId: 339310070
Change-Id: If6cb49c3bccfcc6d7a2a87059760430b387beaf4

quic/core/quic_write_blocked_list.cc

diff --git a/quic/core/quic_write_blocked_list.cc b/quic/core/quic_write_blocked_list.cc
index b3602a6..eba6a29 100644
--- a/quic/core/quic_write_blocked_list.cc
+++ b/quic/core/quic_write_blocked_list.cc
@@ -149,17 +149,8 @@
   if (batch_write_stream_id_[last_priority_popped_] == stream_id) {
     // If this was the last data stream popped by PopFront, update the
     // bytes remaining in its batch write.
-    if (fix_bytes_left_for_batch_write_) {
-      QUIC_RELOADABLE_FLAG_COUNT(quic_fix_bytes_left_for_batch_write);
-      // TODO(fayang): change this static_cast to static_cast<uint32_t> when
-      // deprecating quic_fix_bytes_left_for_batch_write.
-      bytes_left_for_batch_write_[last_priority_popped_] -=
-          std::min(bytes_left_for_batch_write_[last_priority_popped_],
-                   static_cast<int32_t>(bytes));
-    } else {
-      bytes_left_for_batch_write_[last_priority_popped_] -=
-          static_cast<int32_t>(bytes);
-    }
+    bytes_left_for_batch_write_[last_priority_popped_] -=
+        std::min(bytes_left_for_batch_write_[last_priority_popped_], bytes);
   }
 }
 

quic/core/quic_write_blocked_list.h

diff --git a/quic/core/quic_write_blocked_list.h b/quic/core/quic_write_blocked_list.h
index 08f70b3..a89bf17 100644
--- a/quic/core/quic_write_blocked_list.h
+++ b/quic/core/quic_write_blocked_list.h
@@ -104,9 +104,7 @@
   // Set to kBatchWriteSize when we set a new batch_write_stream_id_ for a given
   // priority.  This is decremented with each write the stream does until it is
   // done with its batch write.
-  // TODO(fayang): switch this to uint32_t when deprecating
-  // quic_fix_bytes_left_for_batch_write.
-  int32_t bytes_left_for_batch_write_[spdy::kV3LowestPriority + 1];
+  size_t bytes_left_for_batch_write_[spdy::kV3LowestPriority + 1];
   // Tracks the last priority popped for UpdateBytesForStream.
   spdy::SpdyPriority last_priority_popped_;
 
@@ -156,9 +154,6 @@
   StaticStreamCollection static_stream_collection_;
 
   spdy::WriteSchedulerType scheduler_type_;
-
-  const bool fix_bytes_left_for_batch_write_ =
-      GetQuicReloadableFlag(quic_fix_bytes_left_for_batch_write);
 };
 
 }  // namespace quic