Make XHR work in Workers. Creates a 'shadow page' in a worker process to prox...

chrome/common/child_thread.h

Index: chrome/common/child_thread.h
===================================================================
--- chrome/common/child_thread.h	(revision 18410)
+++ chrome/common/child_thread.h	(working copy)
@@ -34,6 +34,9 @@
     return resource_dispatcher_.get();
   }
 
+  // Returns the one child thread.
+  static ChildThread* current();
+
  protected:
   friend class ChildProcess;
 
@@ -52,9 +55,6 @@
 
   virtual void OnControlMessageReceived(const IPC::Message& msg) { }
 
-  // Returns the one child thread.
-  static ChildThread* current();
-
   IPC::SyncChannel* channel() { return channel_.get(); }
 
   // Thread implementation.