Tweak for about:net-internals timeline view: make checkbox labels clickable.

Review URL: http://codereview.chromium.org/8590046

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110833 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/net_internals/timeline_view.html

 <div id=timeline-view-selection-div>
 <ul>
-  <li id=timeline-view-open-sockets><input type=checkbox checked />
-    &#9608; <span class=timeline-view-text>Open sockets</span>
+  <li id=timeline-view-open-sockets><label><input type=checkbox checked />
+    &#9608; <span class=timeline-view-text>Open sockets</span></label>
   </input></li>
-  <li id=timeline-view-in-use-sockets><input type=checkbox checked />
-    &#9608; <span class=timeline-view-text>In use sockets</span>
+  <li id=timeline-view-in-use-sockets><label><input type=checkbox checked />
+    &#9608; <span class=timeline-view-text>In use sockets</span></label>
   </input></li>
-  <li id=timeline-view-url-requests><input type=checkbox checked />
-    &#9608; <span class=timeline-view-text>URL requests</span>
+  <li id=timeline-view-url-requests><label><input type=checkbox checked />
+    &#9608; <span class=timeline-view-text>URL requests</span></label>
   </input></li>
-  <li id=timeline-view-dns-requests><input type=checkbox checked />
-    &#9608; <span class=timeline-view-text>DNS requests</span>
+  <li id=timeline-view-dns-requests><label><input type=checkbox checked />
+    &#9608; <span class=timeline-view-text>DNS requests</span></label>
   </input></li>
-  <li id=timeline-view-bytes-received><input type=checkbox checked />
-    &#9608; <span class=timeline-view-text>Bytes received</span>
+  <li id=timeline-view-bytes-received><label><input type=checkbox checked />
+    &#9608; <span class=timeline-view-text>Bytes received</span></label>
   </input></li>
-  <li id=timeline-view-bytes-sent><input type=checkbox checked />
-    &#9608; <span class=timeline-view-text>Bytes sent</span>
+  <li id=timeline-view-bytes-sent><label><input type=checkbox checked />
+    &#9608; <span class=timeline-view-text>Bytes sent</span></label>
   </input></li>
-  <li id=timeline-view-disk-cache-bytes-read><input type=checkbox checked />
-    &#9608; <span class=timeline-view-text>Disk cache bytes read</span>
+  <li id=timeline-view-disk-cache-bytes-read><label><input type=checkbox checked />
+    &#9608; <span class=timeline-view-text>Disk cache bytes read</span></label>
   </input></li>
-  <li id=timeline-view-disk-cache-bytes-written><input type=checkbox />
-    &#9608; <span class=timeline-view-text>Disk cache bytes written</span>
+  <li id=timeline-view-disk-cache-bytes-written><label><input type=checkbox />
+    &#9608; <span class=timeline-view-text>Disk cache bytes written</span></label>
   </input></li>
 </ul>
 </div>