Move IndexedDB from WEBKIT_DEPRECATED to dedicated thread

content/browser/browser_main_loop.h

Index: content/browser/browser_main_loop.h
diff --git a/content/browser/browser_main_loop.h b/content/browser/browser_main_loop.h
index 0317e030bf7e50e47f4415d5ef85cae818556d48..6b6242df924b158da044d08501fd11cd6f2f1a24 100644
--- a/content/browser/browser_main_loop.h
+++ b/content/browser/browser_main_loop.h
@@ -47,7 +47,7 @@ class DeviceMonitorMac;
 
 // Implements the main browser loop stages called from BrowserMainRunner.
 // See comments in browser_main_parts.h for additional info.
-class BrowserMainLoop {
+class CONTENT_EXPORT BrowserMainLoop {
  public:
   // Returns the current instance. This is used to get access to the getters
   // that return objects which are owned by this class.
@@ -81,6 +81,7 @@ class BrowserMainLoop {
   MediaStreamManager* media_stream_manager() const {
     return media_stream_manager_.get();
   }
+  base::Thread* indexed_db_thread() const { return indexed_db_thread_.get(); }
 
  private:
   class MemoryObserver;
@@ -134,6 +135,7 @@ class BrowserMainLoop {
   scoped_ptr<BrowserProcessSubThread> db_thread_;
 #if !defined(OS_IOS)
   scoped_ptr<WebKitThread> webkit_thread_;
+  scoped_ptr<base::Thread> indexed_db_thread_;
 #endif
   scoped_ptr<BrowserProcessSubThread> file_user_blocking_thread_;
   scoped_ptr<BrowserProcessSubThread> file_thread_;