Move swap_queue.h to base/

webrtc/base/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/crypto.gni")
 import("//build/config/ui.gni")
@@ skipping 131 matching lines @@
     "rate_statistics.h",
     "refcount.h",
     "safe_conversions.h",
     "safe_conversions_impl.h",
     "scoped_ptr.h",
     "scoped_ref_ptr.h",
     "stringencode.cc",
     "stringencode.h",
     "stringutils.cc",
     "stringutils.h",
+    "swap_queue.h",
     "systeminfo.cc",
     "systeminfo.h",
     "template_util.h",
     "thread_annotations.h",
     "thread_checker.h",
     "thread_checker_impl.cc",
     "thread_checker_impl.h",
     "timeutils.cc",
     "timeutils.h",
     "trace_event.h",
@@ skipping 490 matching lines @@
       "objc/RTCUIApplication.mm",
     ]
   }
 }
 
 source_set("gtest_prod") {
   sources = [
     "gtest_prod_util.h",
   ]
 }