A quick fix for Bug 69906....

chrome/browser/speech/audio_encoder.cc

Index: chrome/browser/speech/audio_encoder.cc
===================================================================
--- chrome/browser/speech/audio_encoder.cc	(revision 71616)
+++ chrome/browser/speech/audio_encoder.cc	(working copy)
@@ -109,7 +109,8 @@
 
 class SpeexEncoder : public speech_input::AudioEncoder {
  public:
-  SpeexEncoder(int sampling_rate);
+  explicit SpeexEncoder(int sampling_rate);
+  virtual ~SpeexEncoder();
   virtual void Encode(const short* samples, int num_samples);
   virtual void Flush() {}
 
@@ -138,6 +139,11 @@
    memset(encoded_frame_data_, 0, sizeof(encoded_frame_data_));
 }
 
+SpeexEncoder::~SpeexEncoder() {
+  speex_bits_destroy(&bits_);
+  speex_encoder_destroy(encoder_state_);
+}
+
 void SpeexEncoder::Encode(const short* samples, int num_samples) {
   // Drop incomplete frames, typically those which come in when recording stops.
   num_samples -= (num_samples % samples_per_frame_);