Move IndexedDB from WEBKIT_DEPRECATED to dedicated thread

content/browser/browser_main_loop.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 "content/browser/browser_main_loop.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/hi_res_timer_manager.h"
@@ skipping 583 matching lines @@
       (*thread_to_start).reset(new BrowserProcessSubThread(id));
       (*thread_to_start)->StartWithOptions(*options);
     } else {
       NOTREACHED();
     }
 
     TRACE_EVENT_END0("startup", "BrowserMainLoop::CreateThreads:start");
 
   }
 
+#if !defined(OS_IOS)
+  indexed_db_thread_.reset(new base::Thread("IndexedDB"));
+  indexed_db_thread_->Start();
+#endif
+
   BrowserThreadsStarted();
 
   if (parts_) {
     TRACE_EVENT0("startup",
         "BrowserMainLoop::CreateThreads:PreMainMessageLoopRun");
     parts_->PreMainMessageLoopRun();
   }
 
   // If the UI thread blocks, the whole UI is unresponsive.
   // Do not allow disk IO from the UI thread.
@@ skipping 128 matching lines @@
 #if !defined(OS_IOS)
       webkit_thread_.reset();
 #endif
     } else if (thread_to_stop) {
       thread_to_stop->reset();
     } else {
       NOTREACHED();
     }
   }
 
+#if !defined(OS_IOS)
+  indexed_db_thread_.reset();
+#endif
+
   // Close the blocking I/O pool after the other threads. Other threads such
   // as the I/O thread may need to schedule work like closing files or flushing
   // data during shutdown, so the blocking pool needs to be available. There
   // may also be slow operations pending that will blcok shutdown, so closing
   // it here (which will block until required operations are complete) gives
   // more head start for those operations to finish.
   BrowserThreadImpl::ShutdownThreadPool();
 
 #if !defined(OS_IOS)
   // Must happen after the IO thread is shutdown since this may be accessed from
@@ skipping 159 matching lines @@
   if (parameters_.ui_task)
     base::MessageLoopForUI::current()->PostTask(FROM_HERE,
                                                 *parameters_.ui_task);
 
   base::RunLoop run_loop;
   run_loop.Run();
 #endif
 }
 
 }  // namespace content