Move core url data manager classes to content.

content/browser/browser_main_loop.cc

Index: content/browser/browser_main_loop.cc
===================================================================
--- content/browser/browser_main_loop.cc	(revision 178359)
+++ content/browser/browser_main_loop.cc	(working copy)
@@ -15,6 +15,7 @@
 #include "base/run_loop.h"
 #include "base/string_number_conversions.h"
 #include "base/threading/thread_restrictions.h"
+#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/download/save_file_manager.h"
 #include "content/browser/gamepad/gamepad_service.h"
@@ -619,6 +620,8 @@
   GamepadService::GetInstance()->Terminate();
 #endif  // !defined(OS_IOS)
 
+  ChromeURLDataManager::DeleteDataSources();

[scottmg, 2013/01/24 00:22:07]

I think this happened after PostDestroyThreads previously. Will it be OK here?

+
   if (parts_.get())
     parts_->PostDestroyThreads();
 }