[css-ui] Add support for caret-color property

third_party/WebKit/LayoutTests/platform/linux/editing/caret/caret-color-004-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/editing/caret/caret-color-004-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/editing/caret/caret-color-004-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/editing/caret/caret-color-004-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..79b31495d82e66b15d5b35ae4f85d3d18de6c186
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/platform/linux/editing/caret/caret-color-004-expected.txt
@@ -0,0 +1,19 @@
+layer at (0,0) size 800x600
+  LayoutView at (0,0) size 800x600
+layer at (0,0) size 800x235
+  LayoutBlockFlow {HTML} at (0,0) size 800x235
+    LayoutBlockFlow {BODY} at (8,16) size 784x211
+      LayoutBlockFlow {P} at (0,0) size 784x40
+        LayoutText {#text} at (0,0) size 743x39
+          text run at (0,0) width 598: "Test passes if, when the text area below is focused for editing, the text insertion caret is either black "
+          text run at (597,0) width 146: "or some other color that"
+          text run at (0,20) width 213: "contrasts well with the background."
+      LayoutBlockFlow {P} at (0,56) size 784x20
+        LayoutText {#text} at (0,0) size 416x19
+          text run at (0,0) width 416: "The shape of the caret, and whether it flashes, are not part of the test."
+      LayoutBlockFlow (anonymous) at (0,92) size 784x119
+        LayoutText {#text} at (0,0) size 0x0
+layer at (8,108) size 412x114 clip at (9,109) size 410x112
+  LayoutTextControl {TEXTAREA} at (0,0) size 412x114 [bgcolor=#FFFFFF] [border: (1px solid #A9A9A9)]
+    LayoutBlockFlow {DIV} at (11,11) size 390x46
+caret: position 0 of child 0 {DIV} of {#document-fragment} of child 5 {TEXTAREA} of body