media: Remove BrowserCdmFactory inferface.

media/cdm/android_cdm_factory.cc

-// Copyright 2015 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/cdm/android_cdm_factory.h"
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/location.h"
-#include "base/thread_task_runner_handle.h"
-#include "media/base/android/media_drm_bridge.h"
-#include "media/base/key_systems.h"
-#include "url/gurl.h"
-
-namespace media {
-
-AndroidCdmFactory::AndroidCdmFactory() {}
-
-AndroidCdmFactory::~AndroidCdmFactory() {}
-
-void AndroidCdmFactory::Create(
-    const std::string& key_system,
-    const GURL& security_origin,
-    const CdmConfig& cdm_config,
-    const SessionMessageCB& session_message_cb,
-    const SessionClosedCB& session_closed_cb,
-    const LegacySessionErrorCB& legacy_session_error_cb,
-    const SessionKeysChangeCB& session_keys_change_cb,
-    const SessionExpirationUpdateCB& session_expiration_update_cb,
-    const CdmCreatedCB& cdm_created_cb) {
-  if (!security_origin.is_valid()) {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::Bind(cdm_created_cb, nullptr, "Invalid origin."));
-    return;
-  }
-
-  if (!MediaDrmBridge::IsKeySystemSupported(key_system)) {
-    NOTREACHED() << "Key system not supported unexpectedly: " << key_system;
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::Bind(cdm_created_cb, nullptr,
-                              "Key system not supported unexpectedly."));
-    return;
-  }
-
-  // TODO(xhwang): Currently MediaDrmBridge can only be created on the Browser
-  // UI thread. Create it here after that is fixed. See http://crbug.com/546108
-  NOTIMPLEMENTED();
-
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(cdm_created_cb, nullptr, "MediaDrmBridge cannot be created."));
-}
-
-}  // namespace media