tree a537a70a6537933e85545c7d40861cc4b05e3209
parent 7ad28920e9e43bc1d12f0e7d38abbc0b835df228
author Viktar Donich <viktard@google.com> 1464042681 -0700
committer Andrew Bonventre <andybons@chromium.org> 1464374143 +0000

Gr-diff retrofit: diff section state.

Fixing UI data pipe line, re-rendering:
 - store section DOM Elements in gr-diff-builder
 - find diff section by line range
 - store collapsed lines as gr-diff-group
 - update gr-diff-builder's data model on expanding collapsed lines
 - .right/.left CSS classes applied to td.lineNum instead of .content

Feature: Issue 3910
Change-Id: Ia0cb78aa00cfd910d186a37631fe71a89204a843