libwebp: update to 0.5.0

third_party/libwebp/dsp/yuv_mips32.c

Index: third_party/libwebp/dsp/yuv_mips32.c
diff --git a/third_party/libwebp/dsp/yuv_mips32.c b/third_party/libwebp/dsp/yuv_mips32.c
index c82b4dfdd3b861e88d2a5ed222d062b440703a7c..b8fe512f1feae70bc654e85e77a1454e494ac13b 100644
--- a/third_party/libwebp/dsp/yuv_mips32.c
+++ b/third_party/libwebp/dsp/yuv_mips32.c
@@ -14,7 +14,8 @@
 
 #include "./dsp.h"
 
-#if defined(WEBP_USE_MIPS32)
+// Code is disabled for now, in favor of the plain-C version
+#if 0  // defined(WEBP_USE_MIPS32)
 
 #include "./yuv.h"
 
@@ -84,17 +85,20 @@ ROW_FUNC(YuvToBgraRow,     4, 2, 1, 0, 3)
 
 #undef ROW_FUNC
 
-#endif   // WEBP_USE_MIPS32
-
 //------------------------------------------------------------------------------
+// Entry point
 
 extern void WebPInitSamplersMIPS32(void);
 
-void WebPInitSamplersMIPS32(void) {
-#if defined(WEBP_USE_MIPS32)
+WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPS32(void) {
   WebPSamplers[MODE_RGB]  = YuvToRgbRow;
   WebPSamplers[MODE_RGBA] = YuvToRgbaRow;
   WebPSamplers[MODE_BGR]  = YuvToBgrRow;
   WebPSamplers[MODE_BGRA] = YuvToBgraRow;
-#endif  // WEBP_USE_MIPS32
 }
+
+#else  // !WEBP_USE_MIPS32
+
+WEBP_DSP_INIT_STUB(WebPInitSamplersMIPS32)
+
+#endif  // WEBP_USE_MIPS32