Workaround for chrome://net-internals debug crash on Android.

chrome/browser/ui/webui/net_internals/net_internals_ui.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/net_internals/net_internals_ui.h"
 
 #include <algorithm>
 #include <list>
 #include <string>
 #include <utility>
@@ skipping 687 matching lines @@
   // If currently watching the NetLog, temporarily stop watching it and flush
   // pending events, so they won't appear before the status events created for
   // currently active network objects below.
   if (net_log()) {
     net_log()->RemoveThreadSafeObserver(this);
     PostPendingEntries();
   }
 
   SendJavascriptCommand("receivedConstants", NetInternalsUI::GetConstants());
 
+#if !defined(OS_ANDROID)

[mmenke, 2015/01/30 15:49:44]

Please add a TODO(mmenke) with link to the bug, and update the CL description to
indicate this is a workaround, not a fix.

[jeremyim, 2015/01/30 16:23:00]

Done.

   PrePopulateEventList();
+#endif
 
   // Register with network stack to observe events.
   io_thread_->net_log()->AddThreadSafeObserver(this,
       net::NetLog::LOG_ALL_BUT_BYTES);
 }
 
 void NetInternalsMessageHandler::IOThreadImpl::OnGetNetInfo(
     const base::ListValue* list) {
   DCHECK(list);
   int info_sources;
@@ skipping 556 matching lines @@
 }
 
 NetInternalsUI::NetInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new NetInternalsMessageHandler());
 
   // Set up the chrome://net-internals/ source.
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, CreateNetInternalsHTMLSource());
 }