Fix hit target size for change file path

In a previous change[1], the clickable hit target was
reduced to the width of the containing text with its
container taking up the desired width. Make the anchor
tag the container while still preserving the original
intent of [1].

[1] https://gerrit-review.googlesource.com/77070

Change-Id: I7d1addf4988eaca1416bcc25cc3dbc2fc6abbaf9

polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.html

diff --git a/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.html b/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.html
index 8134704..f42cdb6 100644
--- a/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.html
+++ b/polygerrit-ui/app/elements/change/gr-file-list/gr-file-list.html
@@ -61,13 +61,11 @@
         flex: 1;
         overflow: hidden;
         padding-left: .35em;
+        text-decoration: none;
         text-overflow: ellipsis;
         white-space: nowrap;
       }
-      .path a {
-        text-decoration: none;
-      }
-      .path a:hover {
+      .path:hover :first-child {
         text-decoration: underline;
       }
       .oldPath {
@@ -136,16 +134,15 @@
         <div class$="[[_computeClass('status', file.__path)]]">
           [[_computeFileStatus(file.status)]]
         </div>
-        <div class="path">
-          <a href$="[[_computeDiffURL(changeNum, patchNum, file.__path)]]"
-              title="[[_computeFileDisplayName(file.__path)]]">
+        <a class="path" href$="[[_computeDiffURL(changeNum, patchNum, file.__path)]]">
+          <div title$="[[_computeFileDisplayName(file.__path)]]">
             [[_computeFileDisplayName(file.__path)]]
-          </a>
+          </div>
           <div class="oldPath" hidden$="[[!file.old_path]]" hidden
-              title="[[file.old_path]]">
+              title$="[[file.old_path]]">
             [[file.old_path]]
           </div>
-        </div>
+        </a>
         <div class="comments">
           <span class="drafts">[[_computeDraftsString(drafts, patchNum, file.__path)]]</span>
           [[_computeCommentsString(comments, patchNum, file.__path)]]