Revert of [media] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

media/base/android/media_drm_bridge.cc

 // Copyright (c) 2013 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/media_drm_bridge.h"
 
 #include <algorithm>
 
 #include "base/android/build_info.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/callback_helpers.h"
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
 #include "base/logging.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "base/numerics/safe_conversions.h"
-#include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/sys_byteorder.h"
 #include "base/sys_info.h"
-#include "base/thread_task_runner_handle.h"
 #include "jni/MediaDrmBridge_jni.h"
 #include "media/base/cdm_key_information.h"
 
 #include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR.
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ConvertJavaStringToUTF8;
 using base::android::JavaByteArrayToByteVector;
 using base::android::ScopedJavaLocalRef;
@@ skipping 498 matching lines @@
 
 void MediaDrmBridge::SetMediaCryptoReadyCB(const base::Closure& closure) {
   if (closure.is_null()) {
     media_crypto_ready_cb_.Reset();
     return;
   }
 
   DCHECK(media_crypto_ready_cb_.is_null());
 
   if (!GetMediaCrypto().is_null()) {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, closure);
+    base::MessageLoopProxy::current()->PostTask(FROM_HERE, closure);
     return;
   }
 
   media_crypto_ready_cb_ = closure;
 }
 
 void MediaDrmBridge::OnMediaCryptoReady(JNIEnv* env, jobject) {
   DCHECK(!GetMediaCrypto().is_null());
   if (!media_crypto_ready_cb_.is_null())
     base::ResetAndReturn(&media_crypto_ready_cb_).Run();
@@ skipping 105 matching lines @@
   JNIEnv* env = AttachCurrentThread();
   Java_MediaDrmBridge_resetDeviceCredentials(env, j_media_drm_.obj());
 }
 
 void MediaDrmBridge::OnResetDeviceCredentialsCompleted(
     JNIEnv* env, jobject, bool success) {
   base::ResetAndReturn(&reset_credentials_cb_).Run(success);
 }
 
 }  // namespace media