Replace size_t with int in a few media classes.

media/audio/mac/audio_low_latency_input_mac_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/environment.h"
 #include "base/message_loop.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/platform_thread.h"
 #include "media/audio/audio_io.h"
@@ skipping 26 matching lines @@
 
 // This audio sink implementation should be used for manual tests only since
 // the recorded data is stored on a raw binary data file.
 // The last test (WriteToFileAudioSink) - which is disabled by default -
 // can use this audio sink to store the captured data on a file for offline
 // analysis.
 class WriteToFileAudioSink : public AudioInputStream::AudioInputCallback {
  public:
   // Allocate space for ~10 seconds of data @ 48kHz in stereo:
   // 2 bytes per sample, 2 channels, 10ms @ 48kHz, 10 seconds <=> 1920000 bytes.
-  static const size_t kMaxBufferSize = 2 * 2 * 480 * 100 * 10;
+  static const int kMaxBufferSize = 2 * 2 * 480 * 100 * 10;
 
   explicit WriteToFileAudioSink(const char* file_name)
       : buffer_(0, kMaxBufferSize),
         file_(fopen(file_name, "wb")),
         bytes_to_write_(0) {
   }
 
   virtual ~WriteToFileAudioSink() {
-    size_t bytes_written = 0;
+    int bytes_written = 0;
     while (bytes_written < bytes_to_write_) {
       const uint8* chunk;
-      size_t chunk_size;
+      int chunk_size;
 
       // Stop writing if no more data is available.
       if (!buffer_.GetCurrentChunk(&chunk, &chunk_size))
         break;
 
       // Write recorded data chunk to the file and prepare for next chunk.
       fwrite(chunk, 1, chunk_size, file_);
       buffer_.Seek(chunk_size);
       bytes_written += chunk_size;
     }
@@ skipping 11 matching lines @@
       bytes_to_write_ += size;
     }
   }
 
   virtual void OnClose(AudioInputStream* stream) {}
   virtual void OnError(AudioInputStream* stream, int code) {}
 
  private:
   media::SeekableBuffer buffer_;
   FILE* file_;
-  size_t bytes_to_write_;
+  int bytes_to_write_;
 };
 
 class MacAudioInputTest : public testing::Test {
  protected:
   MacAudioInputTest() : audio_manager_(AudioManager::Create()) {}
   virtual ~MacAudioInputTest() {}
 
   // Convenience method which ensures that we are not running on the build
   // bots and that at least one valid input device can be found.
   bool CanRunAudioTests() {
@@ skipping 198 matching lines @@
   fprintf(stderr, "               Sample rate: %d\n", fs);
   WriteToFileAudioSink file_sink(file_name);
   fprintf(stderr, "               >> Speak into the mic while recording...\n");
   ais->Start(&file_sink);
   base::PlatformThread::Sleep(TestTimeouts::action_timeout());
   ais->Stop();
   fprintf(stderr, "               >> Recording has stopped.\n");
   ais->Close();
 }