tree 0d3d2b7b089d9197e66c8dad64cec55e6c0cbaff
parent 21daee32b0cf7f01bcb7692a8880bc8c2a814329
author Dhruv Srivastava <dhruvsri@google.com> 1634125421 +0200
committer Dhruv Srivastava <dhruvsri@google.com> 1634135489 +0200

Only request change detail and comments when changeNum changes

Change 305575 ensured that the diff view is completely recreated
if and only if the changeNum changes.
That means that properties are reset to undefined and we should
request the new ChangeDetail and ChangeComments by making a network
request.
However, if the change number remains the same then we do not need
to request a new change object and change comments object.

A follow up change will implement the logic implemented in
Change 320096 for the diff view as well and then we will have near
instant switching between the two views.

Change-Id: I00563c175d2c31584ee6445f959b88d61700de43