Fixed the render queue item size preallocation and verification, moved constant declarations, remov…

webrtc/modules/audio_processing/echo_cancellation_impl.h

 /*
  *  Copyright (c) 2012 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 30 matching lines @@
   int Initialize() override;
   void SetExtraOptions(const Config& config) override;
 
   bool is_delay_agnostic_enabled() const;
   bool is_extended_filter_enabled() const;
 
   // Reads render side data that has been queued on the render call.
   void ReadQueuedRenderData();
 
  private:
-  static const size_t kAllowedValuesOfSamplesPerFrame1 = 80;
-  static const size_t kAllowedValuesOfSamplesPerFrame2 = 160;
-  // TODO(peah): Decrease this once we properly handle hugely unbalanced
-  // reverse and forward call numbers.
-  static const size_t kMaxNumFramesToBuffer = 100;
-
   // EchoCancellation implementation.
   int Enable(bool enable) override;
   int enable_drift_compensation(bool enable) override;
   void set_stream_drift_samples(int drift) override;
   int set_suppression_level(SuppressionLevel level) override;
   int enable_metrics(bool enable) override;
   bool are_metrics_enabled() const override;
   bool stream_has_echo() const override;
   int GetMetrics(Metrics* metrics) override;
   int enable_delay_logging(bool enable) override;
@@ skipping 29 matching lines @@
   size_t render_queue_element_max_size_;
   std::vector<float> render_queue_buffer_;
   std::vector<float> capture_queue_buffer_;
   rtc::scoped_ptr<SwapQueue<std::vector<float>, RenderQueueItemVerifier<float>>>
       render_signal_queue_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_ECHO_CANCELLATION_IMPL_H_