Remove -Wno-unused-private-field clang warning suppression.

media/audio/win/audio_output_win_unittest.cc

Index: media/audio/win/audio_output_win_unittest.cc
diff --git a/media/audio/win/audio_output_win_unittest.cc b/media/audio/win/audio_output_win_unittest.cc
index 3ef817b5eb5a9c63f6d94005a07d3992cf8ee1a4..c6c9cc12db09046d08b00779f6428192147af6fb 100644
--- a/media/audio/win/audio_output_win_unittest.cc
+++ b/media/audio/win/audio_output_win_unittest.cc
@@ -80,8 +80,8 @@ const int kMaxNumBuffers = 3;
 // in the OnMoreData callback.
 class TestSourceLaggy : public TestSourceBasic {
  public:
-  TestSourceLaggy(int laggy_after_buffer, int lag_in_ms)
-      : laggy_after_buffer_(laggy_after_buffer), lag_in_ms_(lag_in_ms) {
+  TestSourceLaggy(int lag_in_ms)

[Nico, 2015/07/09 01:58:16]

explicit

[benwells, 2015/07/09 11:43:02]

Done.

+      : lag_in_ms_(lag_in_ms) {
   }
   int OnMoreData(AudioBus* audio_bus, uint32 total_bytes_delay) override {
     // Call the base, which increments the callback_count_.
@@ -92,7 +92,6 @@ class TestSourceLaggy : public TestSourceBasic {
     return audio_bus->frames();
   }
  private:
-  int laggy_after_buffer_;
   int lag_in_ms_;
 };
 
@@ -238,7 +237,7 @@ TEST(WinAudioTest, PCMWaveSlowSource) {
                       16000, 16, 256),
       std::string());
   ASSERT_TRUE(NULL != oas);
-  TestSourceLaggy test_laggy(2, 90);
+  TestSourceLaggy test_laggy(90);
   EXPECT_TRUE(oas->Open());
   // The test parameters cause a callback every 32 ms and the source is
   // sleeping for 90 ms, so it is guaranteed that we run out of ready buffers.