Fix several MAJOR crashers in Chrome+LocalStorage/Extensions. Need to explic...

chrome/browser/in_process_webkit/webkit_thread.cc

 // Copyright (c) 2009 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/in_process_webkit/webkit_thread.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/in_process_webkit/browser_webkitclient_impl.h"
 #include "chrome/common/chrome_switches.h"
 #include "webkit/api/public/WebKit.h"
@@ skipping 17 matching lines @@
   if (webkit_thread_.get())
     return;
   InitializeThread();
 }
 
 WebKitThread::InternalWebKitThread::InternalWebKitThread()
     : ChromeThread(ChromeThread::WEBKIT) {
 }
 
 WebKitThread::InternalWebKitThread::~InternalWebKitThread() {
+  Stop();
 }
 
 void WebKitThread::InternalWebKitThread::Init() {
   DCHECK(!webkit_client_.get());
   webkit_client_.reset(new BrowserWebKitClientImpl);
   WebKit::initialize(webkit_client_.get());
   // If possible, post initialization tasks to this thread (rather than doing
   // them now) so we don't block the IO thread any longer than we have to.
 }
 
 void WebKitThread::InternalWebKitThread::CleanUp() {
   DCHECK(webkit_client_.get());
   WebKit::shutdown();
 }
 
 MessageLoop* WebKitThread::InitializeThread() {
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess))
     return NULL;
 
   DCHECK(!webkit_thread_.get());
   webkit_thread_.reset(new InternalWebKitThread);
   bool started = webkit_thread_->Start();
   DCHECK(started);
   return webkit_thread_->message_loop();
 }