[CompositeAfterPaint] Fix feImage filter

The original code mistakenly assumed that no filter can create visual
effects from nothing, but feImage is one of the exceptions.

Change-Id: Icc9fc0717522a0ea19da29143dd35b66663f1922
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2250708Reviewed-by: Philip Rogers <pdr@chromium.org>
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#780038}

third_party/blink/renderer/platform/graphics/compositing/content_layer_client_impl.cc

@@ -115,9 +115,10 @@ scoped_refptr<cc::PictureLayer> ContentLayerClientImpl::UpdateCcPictureLayer(
 
   cc_picture_layer_->SetIsDrawable(
       (!layer_bounds.IsEmpty() && cc_display_item_list_->TotalOpCount()) ||
-      // Backdrop effects require the layer to be drawable even if the layer
-      // draws nothing.
-      layer_state.Effect().HasBackdropEffect());
+      // Backdrop effects and filters require the layer to be drawable even if
+      // the layer draws nothing.
+      layer_state.Effect().HasBackdropEffect() ||
+      !layer_state.Effect().Filter().IsEmpty());
 
   auto safe_opaque_background_color =
       paint_artifact->SafeOpaqueBackgroundColor(paint_chunks);

third_party/blink/web_tests/FlagExpectations/composite-after-paint

@@ -47,7 +47,6 @@ crbug.com/957674 external/wpt/largest-contentful-paint/invisible-images-composit
 crbug.com/957674 virtual/scalefactor200/external/wpt/largest-contentful-paint/invisible-images-composited-2.html [ Pass ]
 
 external/wpt/css/css-transforms/transform3d-backface-visibility-006.html [ Failure ]
-external/wpt/css/filter-effects/effect-reference-feimage-002.html [ Failure ]
 
 printing/fixed-positioned-headers-and-footers-absolute-covering-some-pages.html [ Failure ]
 printing/fixed-positioned-headers-and-footers-larger-than-page.html [ Failure ]
@@ -74,5 +73,8 @@ http/tests/devtools/layers/layer-scroll-rects-get.js [ Failure ]
 # Outline paints incorrectly with columns.
 crbug.com/1047358 paint/pagination/composited-paginated-outlined-box.html [ Failure ]
 
+# Ad frame highlight size is incorrect
+crbug.com/1047359 http/tests/subresource_filter/ad-highlight-frame-resized.html [ Pass Failure ]
+
 compositing/gestures/gesture-tapHighlight-composited-img.html [ Pass Failure ]
 http/tests/images/image-decode-in-frame.html [ Pass Failure ]

third_party/blink/web_tests/flag-specific/composite-after-paint/paint/invalidation/filters/filter-repaint-accelerated-child-with-filter-child-expected.txt

@@ -9,8 +9,7 @@
     {
       "name": "LayoutNGBlockFlow DIV class='blur'",
       "position": [8, 8],
-      "bounds": [200, 200],
-      "drawsContent": false
+      "bounds": [200, 200]
     },
     {
       "name": "LayoutNGBlockFlow DIV class='accelerated'",

third_party/blink/web_tests/flag-specific/composite-after-paint/paint/invalidation/filters/filter-repaint-accelerated-on-accelerated-filter-expected.txt

@@ -9,7 +9,6 @@
     {
       "name": "LayoutNGBlockFlow DIV class='blur accelerated'",
       "bounds": [200, 200],
-      "drawsContent": false,
       "transform": 1
     },
     {

third_party/blink/web_tests/flag-specific/composite-after-paint/paint/invalidation/filters/filter-repaint-on-accelerated-layer-expected.txt

@@ -9,8 +9,7 @@
     {
       "name": "LayoutNGBlockFlow DIV class='blur'",
       "position": [8, 8],
-      "bounds": [200, 200],
-      "drawsContent": false
+      "bounds": [200, 200]
     },
     {
       "name": "LayoutNGBlockFlow DIV id='resize' class='accelerated'",