Clear layer cache in RasterCache::Clear (#6915)

liyuqian · web-flow · commit 5c8147450db5 · 2018-11-20T16:48:13.000-08:00
This fixes flutter/flutter#24216
diff --git a/flow/raster_cache.cc b/flow/raster_cache.cc
@@ -246,6 +246,7 @@ void RasterCache::SweepAfterFrame() {
 
 void RasterCache::Clear() {
   picture_cache_.clear();
+  layer_cache_.clear();
 }
 
 void RasterCache::SetCheckboardCacheImages(bool checkerboard) {

Original file line number	Diff line number	Diff line change
`@@ -246,6 +246,7 @@ void RasterCache::SweepAfterFrame() {`
`246`	`246`
`247`	`247`	`void RasterCache::Clear() {`
`248`	`248`	`picture_cache_.clear();`
	`249`	`+ layer_cache_.clear();`
`249`	`250`	`}`
`250`	`251`
`251`	`252`	`void RasterCache::SetCheckboardCacheImages(bool checkerboard) {`