Rename "test" ozone platform to "headless"

media/ozone/media_ozone_platform.cc

 // Copyright 2014 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 "media/ozone/media_ozone_platform.h"
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/ozone/platform_object.h"
 #include "ui/ozone/platform_selection.h"
@@ skipping 38 matching lines @@
 }
 
 MediaOzonePlatform* CreateMediaOzonePlatformGbm() {
   return new MediaOzonePlatformStub;
 }
 
 MediaOzonePlatform* CreateMediaOzonePlatformTest() {
   return new MediaOzonePlatformStub;
 }
 
+MediaOzonePlatform* CreateMediaOzonePlatformHeadless() {
+  return new MediaOzonePlatformStub;
+}
+
 MediaOzonePlatform::MediaOzonePlatform() {
   CHECK(!instance_) << "There should only be a single MediaOzonePlatform.";
   instance_ = this;
 }
 
 MediaOzonePlatform::~MediaOzonePlatform() {
   CHECK_EQ(instance_, this);
   instance_ = NULL;
 }
 
@@ skipping 23 matching lines @@
       ui::PlatformObject<MediaOzonePlatform>::Create();
 
   // TODO(spang): Currently need to leak this object.
   CHECK_EQ(instance_, platform.release());
 }
 
 // static
 MediaOzonePlatform* MediaOzonePlatform::instance_;
 
 }  // namespace media