Switch to double for time calculations using playback rate.

media/filters/audio_renderer_algorithm_unittest.cc

Index: media/filters/audio_renderer_algorithm_unittest.cc
diff --git a/media/filters/audio_renderer_algorithm_unittest.cc b/media/filters/audio_renderer_algorithm_unittest.cc
index 47ce30e84a66c8703df63cb2138f5b98bb4a3dfc..003cd512da4bda2a6d47555744fbc08023403d12 100644
--- a/media/filters/audio_renderer_algorithm_unittest.cc
+++ b/media/filters/audio_renderer_algorithm_unittest.cc
@@ -239,7 +239,7 @@ class AudioRendererAlgorithmTest : public testing::Test {
     EXPECT_NEAR(playback_rate, actual_playback_rate, playback_rate / 100.0);
   }
 
-  void WsolaTest(float playback_rate) {
+  void WsolaTest(double playback_rate) {
     const int kSampleRateHz = 48000;
     const ChannelLayout kChannelLayout = CHANNEL_LAYOUT_STEREO;
     const int kBytesPerSample = 2;
@@ -640,11 +640,11 @@ TEST_F(AudioRendererAlgorithmTest, QuadraticInterpolation_Colinear) {
 }
 
 TEST_F(AudioRendererAlgorithmTest, WsolaSlowdown) {
-  WsolaTest(0.6f);
+  WsolaTest(0.6);
 }
 
 TEST_F(AudioRendererAlgorithmTest, WsolaSpeedup) {
-  WsolaTest(1.6f);
+  WsolaTest(1.6);
 }
 
 TEST_F(AudioRendererAlgorithmTest, FillBufferOffset) {