Revert of Move ADM specific Android files into modules/audio_device/android/

webrtc/modules/audio_device/android/helpers_android.h

-/*
- *  Copyright (c) 2013 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.
- */
-
-#ifndef WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_HELPERS_ANDROID_H_
-#define WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_HELPERS_ANDROID_H_
-
-#include <jni.h>
-#include <string>
-
-#include "webrtc/base/checks.h"
-
-// Abort the process if |jni| has a Java exception pending.
-// TODO(henrika): merge with CHECK_JNI_EXCEPTION() in jni_helpers.h.
-#define CHECK_EXCEPTION(jni)        \
-  RTC_CHECK(!jni->ExceptionCheck()) \
-      << (jni->ExceptionDescribe(), jni->ExceptionClear(), "")
-
-namespace webrtc {
-
-// Return a |JNIEnv*| usable on this thread or NULL if this thread is detached.
-JNIEnv* GetEnv(JavaVM* jvm);
-
-// Return a |jlong| that will correctly convert back to |ptr|.  This is needed
-// because the alternative (of silently passing a 32-bit pointer to a vararg
-// function expecting a 64-bit param) picks up garbage in the high 32 bits.
-jlong PointerTojlong(void* ptr);
-
-// JNIEnv-helper methods that wraps the API which uses the JNI interface
-// pointer (JNIEnv*). It allows us to RTC_CHECK success and that no Java
-// exception is thrown while calling the method.
-jmethodID GetMethodID(
-    JNIEnv* jni, jclass c, const char* name, const char* signature);
-
-jmethodID GetStaticMethodID(
-    JNIEnv* jni, jclass c, const char* name, const char* signature);
-
-jclass FindClass(JNIEnv* jni, const char* name);
-
-jobject NewGlobalRef(JNIEnv* jni, jobject o);
-
-void DeleteGlobalRef(JNIEnv* jni, jobject o);
-
-// Return thread ID as a string.
-std::string GetThreadId();
-
-// Return thread ID as string suitable for debug logging.
-std::string GetThreadInfo();
-
-// Attach thread to JVM if necessary and detach at scope end if originally
-// attached.
-class AttachThreadScoped {
- public:
-  explicit AttachThreadScoped(JavaVM* jvm);
-  ~AttachThreadScoped();
-  JNIEnv* env();
-
- private:
-  bool attached_;
-  JavaVM* jvm_;
-  JNIEnv* env_;
-};
-
-// Scoped holder for global Java refs.
-template<class T>  // T is jclass, jobject, jintArray, etc.
-class ScopedGlobalRef {
- public:
-  ScopedGlobalRef(JNIEnv* jni, T obj)
-      : jni_(jni), obj_(static_cast<T>(NewGlobalRef(jni, obj))) {}
-  ~ScopedGlobalRef() {
-    DeleteGlobalRef(jni_, obj_);
-  }
-  T operator*() const {
-    return obj_;
-  }
- private:
-  JNIEnv* jni_;
-  T obj_;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_HELPERS_ANDROID_H_