GitLab

Currently, there is no way to set expectetions on SetDelegate function
Replaces with MOCK_METHOD1 and moving current function body to
ON_CALL().WillByDefault()

Bug: internal b/132811177

Change-Id: I58ba51d5a0d3dcead895045009de2821271ccfd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1885453Reviewed-by: Kenneth MacKay <kmackay@chromium.org>
Reviewed-by: Luke Halliwell (slow) <halliwell@chromium.org>
Reviewed-by: Yuchen Liu <yucliu@chromium.org>
Commit-Queue: Steven Zhu <jz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710978}