Convert some more things to size_t.

webrtc/modules/audio_device/android/audio_manager_unittest.cc

Index: webrtc/modules/audio_device/android/audio_manager_unittest.cc
diff --git a/webrtc/modules/audio_device/android/audio_manager_unittest.cc b/webrtc/modules/audio_device/android/audio_manager_unittest.cc
index a5af8b068397c84ef7dd38fad2b50751ee4a6a10..0aff88c91eae0732bd18a95eb40d54d3e8f6dfb3 100644
--- a/webrtc/modules/audio_device/android/audio_manager_unittest.cc
+++ b/webrtc/modules/audio_device/android/audio_manager_unittest.cc
@@ -9,6 +9,7 @@
  */
 
 #include "testing/gtest/include/gtest/gtest.h"
+#include "webrtc/base/format_macros.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/audio_device/android/build_info.h"
 #include "webrtc/modules/audio_device/android/audio_manager.h"
@@ -72,14 +73,14 @@ TEST_F(AudioManagerTest, ShowAudioParameterInfo) {
         low_latency_out ? "Low latency OpenSL" : "Java/JNI based AudioTrack");
   PRINT("%ssample rate: %d Hz\n", kTag, playout_parameters_.sample_rate());
   PRINT("%schannels: %d\n", kTag, playout_parameters_.channels());
-  PRINT("%sframes per buffer: %d <=> %.2f ms\n", kTag,
+  PRINT("%sframes per buffer: %" PRIuS " <=> %.2f ms\n", kTag,
         playout_parameters_.frames_per_buffer(),
         playout_parameters_.GetBufferSizeInMilliseconds());
   PRINT("RECORD: \n");
   PRINT("%saudio layer: %s\n", kTag, "Java/JNI based AudioRecord");
   PRINT("%ssample rate: %d Hz\n", kTag, record_parameters_.sample_rate());
   PRINT("%schannels: %d\n", kTag, record_parameters_.channels());
-  PRINT("%sframes per buffer: %d <=> %.2f ms\n", kTag,
+  PRINT("%sframes per buffer: %" PRIuS " <=> %.2f ms\n", kTag,
         record_parameters_.frames_per_buffer(),
         record_parameters_.GetBufferSizeInMilliseconds());
 }
@@ -109,10 +110,10 @@ TEST_F(AudioManagerTest, AudioParametersWithDefaultConstruction) {
   EXPECT_FALSE(params.is_valid());
   EXPECT_EQ(0, params.sample_rate());
   EXPECT_EQ(0, params.channels());
-  EXPECT_EQ(0, params.frames_per_buffer());
+  EXPECT_EQ(0U, params.frames_per_buffer());
   EXPECT_EQ(0U, params.frames_per_10ms_buffer());
-  EXPECT_EQ(0, params.GetBytesPerFrame());
-  EXPECT_EQ(0, params.GetBytesPerBuffer());
+  EXPECT_EQ(0U, params.GetBytesPerFrame());
+  EXPECT_EQ(0U, params.GetBytesPerBuffer());
   EXPECT_EQ(0U, params.GetBytesPer10msBuffer());
   EXPECT_EQ(0.0f, params.GetBufferSizeInMilliseconds());
 }
@@ -121,9 +122,9 @@ TEST_F(AudioManagerTest, AudioParametersWithDefaultConstruction) {
 TEST_F(AudioManagerTest, AudioParametersWithNonDefaultConstruction) {
   const int kSampleRate = 48000;
   const int kChannels = 1;
-  const int kFramesPerBuffer = 480;
+  const size_t kFramesPerBuffer = 480;
   const size_t kFramesPer10msBuffer = 480;
-  const int kBytesPerFrame = 2;
+  const size_t kBytesPerFrame = 2;
   const float kBufferSizeInMs = 10.0f;
   AudioParameters params(kSampleRate, kChannels, kFramesPerBuffer);
   EXPECT_TRUE(params.is_valid());