Move scoped_temp_dir from base to base/files

chrome/test/webdriver/webdriver_session.cc

 // Copyright (c) 2012 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/webdriver/webdriver_session.h"
 
 #include <sstream>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 1821 matching lines @@
   *location = temp_location;
   return NULL;
 }
 
 Error* Session::GetScreenShot(std::string* png) {
   if (!current_target_.view_id.IsTab()) {
     return new Error(kUnknownError,
                      "The current target does not support screenshot");
   }
   Error* error = NULL;
-  ScopedTempDir screenshots_dir;
+  base::ScopedTempDir screenshots_dir;
   if (!screenshots_dir.CreateUniqueTempDir()) {
     return new Error(kUnknownError,
                      "Could not create temp directory for screenshot");
   }
 
   FilePath path = screenshots_dir.path().AppendASCII("screen");
   RunSessionTask(base::Bind(
       &Automation::CaptureEntirePageAsPNG,
       base::Unretained(automation_.get()),
       current_target_.view_id,
@@ skipping 99 matching lines @@
     capabilities_.local_state->GetWithoutPathExpansion(*iter, &value);
     Error* error = SetPreference(*iter, false /* is_user_pref */,
                                  value->DeepCopy());
     if (error)
       return error;
   }
   return NULL;
 }
 
 }  // namespace webdriver