Delete unused code in webrtc_libyuv.cc.

webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc

Index: webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
diff --git a/webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc b/webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
index d562dd4bb97e21f80726f3b3e54e55735982662c..1a38d0d59ff6188579e7b45b7c54dcad2d17810e 100644
--- a/webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
+++ b/webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
@@ -132,9 +132,8 @@ class TestVp8Impl : public ::testing::Test {
     const int kFramerate = 30;
     codec_inst_.maxFramerate = kFramerate;
     // Setting aligned stride values.
-    int stride_uv = 0;
-    int stride_y = 0;
-    Calc16ByteAlignedStride(codec_inst_.width, &stride_y, &stride_uv);
+    int stride_y = 16 * ((codec_inst_.width + 15) / 16);

[pbos-webrtc, 2016/05/31 10:48:45]

Pref copying the method here as well, this reads worse.

[nisse-webrtc, 2016/05/31 12:55:22]

Done.

+    int stride_uv = 16 * ((codec_inst_.width + 31) / 32);
     EXPECT_EQ(stride_y, 176);
     EXPECT_EQ(stride_uv, 96);