A quick fix for Bug 69906.

This change just re-adds SpeexEncoder::~SpeexEncoder(), which has been deleted by r71599 <http://crrev.com/71599> to delete the speex resources allocated in SpeexEncoder::SpeexEncoder().

BUG=69906
TEST=make the "Linux Tests (valgrind)" bot and green.
Review URL: http://codereview.chromium.org/6294005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71641 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/speech/audio_encoder.cc

@@ -109,7 +109,8 @@ COMPILE_ASSERT(kMaxSpeexFrameLength <= 0xFF, invalidLength);
 
 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 @@ SpeexEncoder::SpeexEncoder(int sampling_rate)
    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_);