cc: Make LayerTreeImpl dump layer list to FrameViewer and Devtools

third_party/WebKit/LayoutTests/http/tests/inspector/layers-test.js

Index: third_party/WebKit/LayoutTests/http/tests/inspector/layers-test.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/layers-test.js b/third_party/WebKit/LayoutTests/http/tests/inspector/layers-test.js
index 8792490dce3a25ab8fab2c7b94d02eb8c9b8c132..d00ecf4cd1f1286d44ddb055fdcb4adf6f2ff7fe 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/layers-test.js
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/layers-test.js
@@ -32,7 +32,8 @@ function initialize_LayerTreeTests()
                 return;
             }
         }
-        InspectorTest.addResult(prefix + InspectorTest.labelForLayer(root));
+        if (root.drawsContent())

[vmpstr, 2016/05/31 22:16:16]

Why this change?

[sunxd, 2016/05/31 22:41:52]

See the comment in layer-tree.html, the background-color there forces the layer
to be draw.

+          InspectorTest.addResult(prefix + InspectorTest.labelForLayer(root));
         root.children().forEach(InspectorTest.dumpLayerTree.bind(InspectorTest, prefix + "    "));
     }