Move platform_thread to base/threading and put in the base namespace. I left ...

chrome/test/automation/automation_proxy.cc

Index: chrome/test/automation/automation_proxy.cc
===================================================================
--- chrome/test/automation/automation_proxy.cc	(revision 70328)
+++ chrome/test/automation/automation_proxy.cc	(working copy)
@@ -10,7 +10,7 @@
 
 #include "base/basictypes.h"
 #include "base/logging.h"
-#include "base/platform_thread.h"
+#include "base/threading/platform_thread.h"
 #include "base/process_util.h"
 #include "base/ref_counted.h"
 #include "base/waitable_event.h"
@@ -105,7 +105,7 @@
   // Zero also seems unreasonable, since we need to wait for IPC, but at
   // least it is legal... ;-)
   DCHECK_GE(command_execution_timeout_ms, 0);
-  listener_thread_id_ = PlatformThread::CurrentId();
+  listener_thread_id_ = base::PlatformThread::CurrentId();
   InitializeHandleTracker();
   InitializeThread();
 }