Move some misc thread-related stuff from base to base/thread and into the bas...

net/base/file_stream_posix.cc

Index: net/base/file_stream_posix.cc
===================================================================
--- net/base/file_stream_posix.cc	(revision 70312)
+++ net/base/file_stream_posix.cc	(working copy)
@@ -21,8 +21,8 @@
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
+#include "base/threading/worker_pool.h"
 #include "base/waitable_event.h"
-#include "base/worker_pool.h"
 #include "net/base/net_errors.h"
 
 // We cast back and forth, so make sure it's the size we're expecting.
@@ -250,11 +250,11 @@
   DCHECK(!callback_);
   callback_ = callback;
 
-  WorkerPool::PostTask(FROM_HERE,
-                       new BackgroundReadTask(
-                           file, buf, buf_len,
-                           &background_io_completed_callback_),
-                       true /* task_is_slow */);
+  base::WorkerPool::PostTask(FROM_HERE,
+                             new BackgroundReadTask(
+                                 file, buf, buf_len,
+                                 &background_io_completed_callback_),
+                             true /* task_is_slow */);
 }
 
 void FileStream::AsyncContext::InitiateAsyncWrite(
@@ -263,11 +263,11 @@
   DCHECK(!callback_);
   callback_ = callback;
 
-  WorkerPool::PostTask(FROM_HERE,
-                       new BackgroundWriteTask(
-                           file, buf, buf_len,
-                           &background_io_completed_callback_),
-                       true /* task_is_slow */);
+  base::WorkerPool::PostTask(FROM_HERE,
+                             new BackgroundWriteTask(
+                                 file, buf, buf_len,
+                                 &background_io_completed_callback_),
+                             true /* task_is_slow */);
 }
 
 void FileStream::AsyncContext::OnBackgroundIOCompleted(int result) {