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

chrome/test/automation/browser_proxy.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/automation/browser_proxy.h"
 
 #include <algorithm>
 
 #include "base/json/json_reader.h"
 #include "base/logging.h"
-#include "base/platform_thread.h"
+#include "base/threading/platform_thread.h"
 #include "base/time.h"
 #include "chrome/common/automation_constants.h"
 #include "chrome/common/automation_messages.h"
 #include "chrome/test/automation/autocomplete_edit_proxy.h"
 #include "chrome/test/automation/automation_proxy.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/automation/window_proxy.h"
 #include "gfx/point.h"
 
 using base::TimeDelta;
@@ skipping 177 matching lines @@
   }
 
   return success;
 }
 
 bool BrowserProxy::WaitForTabToBecomeActive(int tab,
                                             int wait_timeout) {
   const TimeTicks start = TimeTicks::Now();
   const TimeDelta timeout = TimeDelta::FromMilliseconds(wait_timeout);
   while (TimeTicks::Now() - start < timeout) {
-    PlatformThread::Sleep(automation::kSleepTime);
+    base::PlatformThread::Sleep(automation::kSleepTime);
     int active_tab;
     if (GetActiveTabIndex(&active_tab) && active_tab == tab)
       return true;
   }
   // If we get here, the active tab hasn't changed.
   return false;
 }
 
 bool BrowserProxy::OpenFindInPage() {
   if (!is_valid())
@@ skipping 419 matching lines @@
     if (i == 0)
       *min_start_time = start_ms;
 
     *min_start_time = std::min(start_ms, *min_start_time);
     *max_stop_time = std::max(stop_ms, *max_stop_time);
     stop_times->push_back(stop_ms);
   }
   std::sort(stop_times->begin(), stop_times->end());
   return true;
 }