media: Remove BrowserCdmFactory inferface.

media/base/android/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/base/android/android_cdm_factory.h"
+
+#include "base/strings/string_number_conversions.h"
+#include "media/base/android/media_drm_bridge.h"
+#include "media/base/bind_to_current_loop.h"
+#include "media/base/cdm_config.h"
+#include "media/base/key_systems.h"
+#include "third_party/widevine/cdm/widevine_cdm_common.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) {
+  // Bound |cdm_created_cb| so we always fire it asynchronously.
+  CdmCreatedCB bound_cdm_created_cb = BindToCurrentLoop(cdm_created_cb);
+
+  if (!security_origin.is_valid()) {
+    bound_cdm_created_cb.Run(nullptr, "Invalid origin.");
+    return;
+  }
+
+  std::string error_message;
+
+  if (!MediaDrmBridge::IsKeySystemSupported(key_system)) {
+    error_message = "Key system not supported unexpectedly: " + key_system;
+    NOTREACHED() << error_message;
+    bound_cdm_created_cb.Run(nullptr, error_message);
+    return;
+  }
+
+  scoped_refptr<MediaDrmBridge> cdm(
+      MediaDrmBridge::Create(key_system, session_message_cb, session_closed_cb,
+                             legacy_session_error_cb, session_keys_change_cb,
+                             session_expiration_update_cb));
+  if (!cdm) {
+    error_message = "MediaDrmBridge cannot be created for " + key_system;
+    NOTREACHED() << error_message;
+    bound_cdm_created_cb.Run(nullptr, error_message);
+    return;
+  }
+
+  if (key_system == kWidevineKeySystem) {
+    MediaDrmBridge::SecurityLevel security_level =
+        cdm_config.use_hw_secure_codecs ? MediaDrmBridge::SECURITY_LEVEL_1
+                                        : MediaDrmBridge::SECURITY_LEVEL_3;
+    if (!cdm->SetSecurityLevel(security_level)) {
+      error_message =
+          "failed to set security level " + base::IntToString(security_level);
+      DVLOG(1) << error_message;
+      bound_cdm_created_cb.Run(nullptr, error_message);
+      return;
+    }
+  } else if (!cdm_config.use_hw_secure_codecs) {
+    // Assume other key systems require hardware-secure codecs and thus do not
+    // support full compositing.
+    error_message =
+        key_system +
+        " may require use_video_overlay_for_embedded_encrypted_video";
+    NOTREACHED() << error_message;
+    bound_cdm_created_cb.Run(nullptr, error_message);
+    return;
+  }
+
+  // Success!
+  bound_cdm_created_cb.Run(cdm, "");
+}
+
+}  // namespace media