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

webrtc/common_audio/resampler/push_sinc_resampler.h

Index: webrtc/common_audio/resampler/push_sinc_resampler.h
diff --git a/webrtc/common_audio/resampler/push_sinc_resampler.h b/webrtc/common_audio/resampler/push_sinc_resampler.h
index c48ec71056fdc90d7b8ebb3b15534f7c2087d9c5..4307451113bbae88c04b6111e150b07cdc74cd6f 100644
--- a/webrtc/common_audio/resampler/push_sinc_resampler.h
+++ b/webrtc/common_audio/resampler/push_sinc_resampler.h
@@ -27,7 +27,7 @@ class PushSincResampler : public SincResamplerCallback {
   // Provide the size of the source and destination blocks in samples. These
   // must correspond to the same time duration (typically 10 ms) as the sample
   // ratio is inferred from them.
-  PushSincResampler(int source_frames, int destination_frames);
+  PushSincResampler(size_t source_frames, size_t destination_frames);
   ~PushSincResampler() override;
 
   // Perform the resampling. |source_frames| must always equal the
@@ -35,12 +35,12 @@ class PushSincResampler : public SincResamplerCallback {
   // at least as large as |destination_frames|. Returns the number of samples
   // provided in destination (for convenience, since this will always be equal
   // to |destination_frames|).
-  int Resample(const int16_t* source, int source_frames,
-               int16_t* destination, int destination_capacity);
-  int Resample(const float* source,
-               int source_frames,
-               float* destination,
-               int destination_capacity);
+  size_t Resample(const int16_t* source, size_t source_frames,
+                  int16_t* destination, size_t destination_capacity);
+  size_t Resample(const float* source,
+                  size_t source_frames,
+                  float* destination,
+                  size_t destination_capacity);
 
   // Delay due to the filter kernel. Essentially, the time after which an input
   // sample will appear in the resampled output.
@@ -50,7 +50,7 @@ class PushSincResampler : public SincResamplerCallback {
 
  protected:
   // Implements SincResamplerCallback.
-  void Run(int frames, float* destination) override;
+  void Run(size_t frames, float* destination) override;
 
  private:
   friend class PushSincResamplerTest;
@@ -60,13 +60,13 @@ class PushSincResampler : public SincResamplerCallback {
   rtc::scoped_ptr<float[]> float_buffer_;
   const float* source_ptr_;
   const int16_t* source_ptr_int_;
-  const int destination_frames_;
+  const size_t destination_frames_;
 
   // True on the first call to Resample(), to prime the SincResampler buffer.
   bool first_pass_;
 
   // Used to assert we are only requested for as much data as is available.
-  int source_available_;
+  size_t source_available_;
 
   DISALLOW_COPY_AND_ASSIGN(PushSincResampler);
 };