Preliminary paint property walk implementation for SPv2

third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html

Index: third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html
diff --git a/third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html b/third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html
new file mode 100644
index 0000000000000000000000000000000000000000..1fe42ddd93d17dc6992fa6bc46a62068bf2c907a
--- /dev/null
+++ b/third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html
@@ -0,0 +1,38 @@
+<style>

[jbroman, 2015/10/16 14:46:51]

If you do this (I'll defer to pdr), please add these to
webkit_unit_tests.isolate so that they work on Android (and swarming, if
webkit_unit_tests runs in swarming).

[trchen, 2015/10/20 05:11:47]

WontFix (obsolete)

+.positioned-scroll {
+    position: absolute;
+    left: 100px;
+    top: 50px;
+    width: 400px;
+    height: 300px;
+    overflow: scroll;
+}
+
+.bloat {
+    height: 10000px;
+}
+
+.fixed {
+    position: fixed;
+    left: 200px;
+    top: 150px;
+    width: 100px;
+    height: 100px;
+}
+
+.transformed-scroll {
+    transform: scaleX(2);
+    width: 400px;
+    height: 300px;
+    overflow: scroll;
+}
+</style>
+<div class="positioned-scroll">
+    <div class="bloat"></div>
+    <div class="fixed"></div>
+</div>
+<div class="transformed-scroll">
+    <div class="bloat"></div>
+    <div class="fixed"></div>
+</div>
+This test verifies fixed-position elements correctly skip scrolling and adhere to transformed container.