Moving e to comply to the rest of the stack/heap storage scheme
Moving e to comply to the rest of the stack/heap storage scheme

Bug: webrtc:10913
Change-Id: I7dada71fb86e1c7eea27d0aec01b870fd0a6a15e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/154347
Commit-Queue: Per Åhgren <3616c2c8a2c30a769c5419f89b4a810ea6e2f079@webrtc.org>
Reviewed-by: Gustaf Ullberg <3619ad972adf2eeb42172b0d9b4d612d59d226c7@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#29300}

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