Update a ton of audio code to use size_t more correctly and in general reduce

webrtc/modules/audio_device/android/audio_track_jni.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.
  */
 
@@ skipping 81 matching lines @@
     JNIEnv* env, jobject obj, jobject byte_buffer, jlong nativeAudioTrack);
   void OnCacheDirectBufferAddress(JNIEnv* env, jobject byte_buffer);
 
   // Called periodically by the Java based WebRtcAudioTrack object when
   // playout has started. Each call indicates that |length| new bytes should
   // be written to the memory area |direct_buffer_address_| for playout.
   // This method is called on a high-priority thread from Java. The name of
   // the thread is 'AudioTrackThread'.
   static void JNICALL GetPlayoutData(
     JNIEnv* env, jobject obj, jint length, jlong nativeAudioTrack);
-  void OnGetPlayoutData(int length);
+  void OnGetPlayoutData(size_t length);
 
   // Stores thread ID in constructor.
   rtc::ThreadChecker thread_checker_;
 
   // Stores thread ID in first call to OnGetPlayoutData() from high-priority
   // thread in Java. Detached during construction of this object.
   rtc::ThreadChecker thread_checker_java_;
 
   // Calls AttachCurrentThread() if this thread is not attached at construction.
   // Also ensures that DetachCurrentThread() is called at destruction.
   AttachCurrentThreadIfNeeded attach_thread_if_needed_;
 
   // Wraps the JNI interface pointer and methods associated with it.
   rtc::scoped_ptr<JNIEnvironment> j_environment_;
 
   // Contains factory method for creating the Java object.
   rtc::scoped_ptr<NativeRegistration> j_native_registration_;
 
   // Wraps the Java specific parts of the AudioTrackJni class.
   rtc::scoped_ptr<AudioTrackJni::JavaAudioTrack> j_audio_track_;
 
   // Contains audio parameters provided to this class at construction by the
   // AudioManager.
   const AudioParameters audio_parameters_;
 
   // Cached copy of address to direct audio buffer owned by |j_audio_track_|.
   void* direct_buffer_address_;
 
   // Number of bytes in the direct audio buffer owned by |j_audio_track_|.
-  int direct_buffer_capacity_in_bytes_;
+  size_t direct_buffer_capacity_in_bytes_;
 
   // Number of audio frames per audio buffer. Each audio frame corresponds to
   // one sample of PCM mono data at 16 bits per sample. Hence, each audio
   // frame contains 2 bytes (given that the Java layer only supports mono).
   // Example: 480 for 48000 Hz or 441 for 44100 Hz.
-  int frames_per_buffer_;
+  size_t frames_per_buffer_;
 
   bool initialized_;
 
   bool playing_;
 
   // Raw pointer handle provided to us in AttachAudioBuffer(). Owned by the
   // AudioDeviceModuleImpl class and called by AudioDeviceModuleImpl::Create().
   // The AudioDeviceBuffer is a member of the AudioDeviceModuleImpl instance
   // and therefore outlives this object.
   AudioDeviceBuffer* audio_device_buffer_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_DEVICE_ANDROID_AUDIO_TRACK_JNI_H_