More trace events webview startup

Adding more trace events before and after checkStorage: this is taking
quite some time (~7ms on nexus 5x), but not clear which parts to suspect.

Bug: 817644
Change-Id: Iebba823e6afb2efa70d20f97598845a5ced58fe7
Reviewed-on: https://chromium-review.googlesource.com/1085368
Reviewed-by: Bo <boliu@chromium.org>
Commit-Queue: Changwan Ryu <changwan@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#564164}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: defdf1d39aade3775269a303372764c00d5827e5
2 files changed
tree: e840dcb6d301bf9e1f059ee84b9e9a0f9467249e
  1. java/
  2. BUILD.gn
  3. generate_resource_rewriter.gni
  4. glue.gni