Remove webrtc/examples/android/media_demo.

webrtc/examples/android/media_demo/jni/jni_helpers.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_EXAMPLES_ANDROID_MEDIA_DEMO_JNI_JNI_HELPERS_H_
-#define WEBRTC_EXAMPLES_ANDROID_MEDIA_DEMO_JNI_JNI_HELPERS_H_
-
-// TODO(henrike): this file contains duplication with regards to
-// talk/app/webrtc/java/jni/peerconnection_jni.cc. When/if code can be shared
-// between trunk/talk and trunk/webrtc remove the duplication.
-
-#include <android/log.h>
-#include <jni.h>
-
-#include <assert.h>
-#include <map>
-#include <string>
-
-#define TAG "WEBRTC-NATIVE"
-
-// Abort the process if |x| is false, emitting |msg| to logcat.
-#define CHECK(x, msg)                                                  \
-  if (x) {                                                             \
-  } else {                                                             \
-    __android_log_print(ANDROID_LOG_ERROR, TAG, "%s:%d: %s", __FILE__, \
-                        __LINE__, msg);                                \
-    assert(false);                                                     \
-  }
-
-// Abort the process if |jni| has a Java exception pending, emitting |msg| to
-// logcat.
-#define CHECK_JNI_EXCEPTION(jni, msg) \
-  if (0) {                        \
-  } else {                        \
-    if (jni->ExceptionCheck()) {  \
-      jni->ExceptionDescribe();   \
-      jni->ExceptionClear();      \
-      CHECK(0, msg);              \
-    }                             \
-  }
-
-// JNIEnv-helper methods that CHECK success: no Java exception thrown and found
-// object/class/method/field is non-null.
-jmethodID GetMethodID(JNIEnv* jni, jclass c, const std::string& name,
-                      const char* signature);
-
-// Return a |jlong| that will automatically convert back to |ptr| when assigned
-// to a |uint64_t|
-jlong jlongFromPointer(void* ptr);
-
-// Given a (UTF-16) jstring return a new UTF-8 native string.
-std::string JavaToStdString(JNIEnv* jni, const jstring& j_string);
-
-// Android's FindClass() is trickier than usual because the app-specific
-// ClassLoader is not consulted when there is no app-specific frame on the
-// stack.  Consequently, we only look up classes once in JNI_OnLoad.
-// http://developer.android.com/training/articles/perf-jni.html#faq_FindClass
-class ClassReferenceHolder {
- public:
-  ClassReferenceHolder(JNIEnv* jni, const char** classes, int size);
-  ~ClassReferenceHolder();
-
-  void FreeReferences(JNIEnv* jni);
-
-  jclass GetClass(const std::string& name);
-
- private:
-  void LoadClass(JNIEnv* jni, const std::string& name);
-
-  std::map<std::string, jclass> classes_;
-};
-
-#endif  // WEBRTC_EXAMPLES_ANDROID_MEDIA_DEMO_JNI_JNI_HELPERS_H_