Add buttons to clear the cache and flush socket pools

chrome/browser/resources/net_internals/events_view.html

 <!-- ================= Events view =================== -->
 
 <!-- Filter Box: This the top bar which contains the search box.  -->
 <div id=events-view-filter-box>
   <table width=100%>
     <tr>
       <td width=1%>Filter:</td>
       <td width=98%><input type="search" incremental id=events-view-filter-input /></td>
       <td width=1% id=events-view-filter-count>(1 of 34)</td>
     </tr>
@@ skipping 11 matching lines @@
       </tr>
     </thead>
     <!-- Events table body: This is where request rows go into -->
     <tbody id=events-view-source-list-tbody></tbody>
   </table>
 </div>
 <!-- Action Box: This is a button bar along the bottom -->
 <div id=events-view-action-box>
   <input type=button value="Delete selected" id=events-view-delete-selected />
   <input type=button value="Delete all" id=events-view-delete-all />
+  <input type=button value="Clear cache" id=events-view-clear-cache class=warningText />

[eroman, 2011/11/17 20:46:36]

I'm not convinced that the Events tab is the right place for these buttons. The
"Clear cache" for instance should probably go on the cache tab...

But if you think this helps, then I won't block it.

+  <input type=button value="Flush sockets" id=events-view-flush-sockets class=warningText />
 </div>
 <!-- Splitter Box: This is a handle to resize the vertical divider -->
 <div id=events-view-splitter-box class=vertical-splitter></div>
 <!-- Details box: This is the panel on the right which shows information -->
 <div id=events-view-details-tab-handles>
   <table class=events-view-tab-switcher cellspacing=0>
     <tr>
       <th id=events-view-details-log-tab>Log</th>
       <td>&nbsp;</td>
       <th id=events-view-details-timeline-tab>Timeline</th>
     </tr>
   </table>
   <div class=events-view-tab-switcher-line></div>
 </div>
 <div id=events-view-details-log-box></div>
 <div id=events-view-details-timeline-box></div>