tree d1eb1546101f021ea908f7571c55159bdf15f235
parent 5111790e59dc91b13e47fc7742b57ee29897b139
author bnc <bnc@google.com> 1616003261 -0700
committer Copybara-Service <copybara-worker@google.com> 1616003302 -0700

Eliminate unnecessary HpackEntry copies for efficiency.

I crafted this CL by deleting the HpackEntry copy constructor and copy
assignment operator, then hammering the codebase until everything compiled, and
finally restoring the copy constructor and copy assignment operator and
reverting the unnecessary or ugly changes.

PiperOrigin-RevId: 363455100
Change-Id: I818fd70c18fd241093ccd14a83c4dd1424335168