libwebp: update to 0.4.4

third_party/libwebp/dec/vp8l.c

Index: third_party/libwebp/dec/vp8l.c
diff --git a/third_party/libwebp/dec/vp8l.c b/third_party/libwebp/dec/vp8l.c
index e2780e5b2d62834245d869a3ffb3f10ec4f965c5..2fa5f4046b3803b8ced855569cf34134f41da721 100644
--- a/third_party/libwebp/dec/vp8l.c
+++ b/third_party/libwebp/dec/vp8l.c
@@ -390,13 +390,13 @@ static int AllocateAndInitRescaler(VP8LDecoder* const dec, VP8Io* const io) {
   const int in_height = io->mb_h;
   const int out_height = io->scaled_height;
   const uint64_t work_size = 2 * num_channels * (uint64_t)out_width;
-  int32_t* work;        // Rescaler work area.
-  const uint64_t scaled_data_size = num_channels * (uint64_t)out_width;
+  rescaler_t* work;        // Rescaler work area.
+  const uint64_t scaled_data_size = (uint64_t)out_width;
   uint32_t* scaled_data;  // Temporary storage for scaled BGRA data.
   const uint64_t memory_size = sizeof(*dec->rescaler) +
                                work_size * sizeof(*work) +
                                scaled_data_size * sizeof(*scaled_data);
-  uint8_t* memory = (uint8_t*)WebPSafeCalloc(memory_size, sizeof(*memory));
+  uint8_t* memory = (uint8_t*)WebPSafeMalloc(memory_size, sizeof(*memory));
   if (memory == NULL) {
     dec->status_ = VP8_STATUS_OUT_OF_MEMORY;
     return 0;
@@ -406,13 +406,12 @@ static int AllocateAndInitRescaler(VP8LDecoder* const dec, VP8Io* const io) {
 
   dec->rescaler = (WebPRescaler*)memory;
   memory += sizeof(*dec->rescaler);
-  work = (int32_t*)memory;
+  work = (rescaler_t*)memory;
   memory += work_size * sizeof(*work);
   scaled_data = (uint32_t*)memory;
 
   WebPRescalerInit(dec->rescaler, in_width, in_height, (uint8_t*)scaled_data,
-                   out_width, out_height, 0, num_channels,
-                   in_width, out_width, in_height, out_height, work);
+                   out_width, out_height, 0, num_channels, work);
   return 1;
 }
 
@@ -427,7 +426,7 @@ static int Export(WebPRescaler* const rescaler, WEBP_CSP_MODE colorspace,
   int num_lines_out = 0;
   while (WebPRescalerHasPendingOutput(rescaler)) {
     uint8_t* const dst = rgba + num_lines_out * rgba_stride;
-    WebPRescalerExportRow(rescaler, 0);
+    WebPRescalerExportRow(rescaler);
     WebPMultARGBRow(src, dst_width, 1);
     VP8LConvertFromBGRA(src, dst_width, colorspace, dst);
     ++num_lines_out;
@@ -545,7 +544,7 @@ static int ExportYUVA(const VP8LDecoder* const dec, int y_pos) {
   const int dst_width = rescaler->dst_width;
   int num_lines_out = 0;
   while (WebPRescalerHasPendingOutput(rescaler)) {
-    WebPRescalerExportRow(rescaler, 0);
+    WebPRescalerExportRow(rescaler);
     WebPMultARGBRow(src, dst_width, 1);
     ConvertToYUVA(src, dst_width, y_pos, dec->output_);
     ++y_pos;