Enable IncreaseInputAudioBufferSize experiment by default.

Bug: 830624, 826664
Change-Id: I28610bc94481ae2c3d843cbba1f2b61c9397cac5
Reviewed-on: https://chromium-review.googlesource.com/c/1350911Reviewed-by: Oskar Sundbom <ossu@chromium.org>
Reviewed-by: Max Morin <maxmorin@chromium.org>
Commit-Queue: Henrik Grunell <grunell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610885}

media/audio/audio_features.cc

@@ -18,7 +18,7 @@ const base::Feature kCrOSSystemAEC{"CrOSSystemAEC",
 #if defined(OS_WIN)
 // Increases the input audio endpoint buffer size. http://crbug.com/830624.
 const base::Feature kIncreaseInputAudioBufferSize{
-    "IncreaseInputAudioBufferSize", base::FEATURE_DISABLED_BY_DEFAULT};
+    "IncreaseInputAudioBufferSize", base::FEATURE_ENABLED_BY_DEFAULT};
 #endif
 
 }  // namespace features