Clean up video frame sizes, types in Video Decode API

media/video/picture.cc

Index: media/video/picture.cc
diff --git a/media/video/picture.cc b/media/video/picture.cc
index 581e3c97ae45952249c28fbf20d559e9980d23cf..22da514fb52fa0837678903443b7ef87ca1fb150 100644
--- a/media/video/picture.cc
+++ b/media/video/picture.cc
@@ -27,12 +27,9 @@ SysmemBuffer::SysmemBuffer(int32 id, gfx::Size size, void* data)
       info_(id, size) {
 }
 
-Picture::Picture(int32 picture_buffer_id, int32 bitstream_buffer_id,
-                 gfx::Size visible_size, gfx::Size decoded_size)
+Picture::Picture(int32 picture_buffer_id, int32 bitstream_buffer_id)
     : picture_buffer_id_(picture_buffer_id),
-      bitstream_buffer_id_(bitstream_buffer_id),
-      visible_size_(visible_size),
-      decoded_size_(decoded_size) {
+      bitstream_buffer_id_(bitstream_buffer_id) {
 }
 
 }  // namespace media