DevTools: [SASS] implement CSS AST-builder.

third_party/WebKit/LayoutTests/inspector/sass/test-ast-css-1-expected.txt

Index: third_party/WebKit/LayoutTests/inspector/sass/test-ast-css-1-expected.txt
diff --git a/third_party/WebKit/LayoutTests/inspector/sass/test-ast-css-1-expected.txt b/third_party/WebKit/LayoutTests/inspector/sass/test-ast-css-1-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d00e9d0c975ce3181b5263eca07f1cbf045904cf
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/inspector/sass/test-ast-css-1-expected.txt
@@ -0,0 +1,97 @@
+Verifies CSS AST for simple input.
+
+div {
+    /* display: flex; */
+    color: red;
+    background-color: blue;
+    /* position: absolute; */
+}
+
+div .className {
+    padding: 10px 0 0 10px;
+    /* font-family: "Times New Roman"; */
+    background-image: url(assets/no-image-set.png);
+}
+
+div .className #test::before {
+    margin: 10px 10px;
+    content: "test me";
+    /* border: 1px solid black; */
+}
+=== AST === 
+rule 0: "div"
+    property 0
+        name: "display"
+            range: {"startLine":1,"startColumn":7,"endLine":1,"endColumn":14}
+        value: " flex"
+            range: {"startLine":1,"startColumn":15,"endLine":1,"endColumn":20}
+        range: {"startLine":1,"startColumn":4,"endLine":1,"endColumn":24}
+        disabled: true
+    property 1
+        name: "color"
+            range: {"startLine":2,"startColumn":4,"endLine":2,"endColumn":9}
+        value: " red"
+            range: {"startLine":2,"startColumn":10,"endLine":2,"endColumn":14}
+        range: {"startLine":2,"startColumn":4,"endLine":2,"endColumn":15}
+        disabled: false
+    property 2
+        name: "background-color"
+            range: {"startLine":3,"startColumn":4,"endLine":3,"endColumn":20}
+        value: " blue"
+            range: {"startLine":3,"startColumn":21,"endLine":3,"endColumn":26}
+        range: {"startLine":3,"startColumn":4,"endLine":3,"endColumn":27}
+        disabled: false
+    property 3
+        name: "position"
+            range: {"startLine":4,"startColumn":7,"endLine":4,"endColumn":15}
+        value: " absolute"
+            range: {"startLine":4,"startColumn":16,"endLine":4,"endColumn":25}
+        range: {"startLine":4,"startColumn":4,"endLine":4,"endColumn":29}
+        disabled: true
+rule 1: "div .className"
+    property 0
+        name: "padding"
+            range: {"startLine":8,"startColumn":4,"endLine":8,"endColumn":11}
+        value: " 10px 0 0 10px"
+            range: {"startLine":8,"startColumn":12,"endLine":8,"endColumn":26}
+        range: {"startLine":8,"startColumn":4,"endLine":8,"endColumn":27}
+        disabled: false
+    property 1
+        name: "font-family"
+            range: {"startLine":9,"startColumn":7,"endLine":9,"endColumn":18}
+        value: " "Times New Roman""
+            range: {"startLine":9,"startColumn":19,"endLine":9,"endColumn":37}
+        range: {"startLine":9,"startColumn":4,"endLine":9,"endColumn":41}
+        disabled: true
+    property 2
+        name: "background-image"
+            range: {"startLine":10,"startColumn":4,"endLine":10,"endColumn":20}
+        value: " url(assets/no-image-set.png)"
+            range: {"startLine":10,"startColumn":21,"endLine":10,"endColumn":50}
+        range: {"startLine":10,"startColumn":4,"endLine":10,"endColumn":51}
+        disabled: false
+rule 2: "div .className #test::before"
+    property 0
+        name: "margin"
+            range: {"startLine":14,"startColumn":4,"endLine":14,"endColumn":10}
+        value: " 10px 10px"
+            range: {"startLine":14,"startColumn":11,"endLine":14,"endColumn":21}
+        range: {"startLine":14,"startColumn":4,"endLine":14,"endColumn":22}
+        disabled: false
+    property 1
+        name: "content"
+            range: {"startLine":15,"startColumn":4,"endLine":15,"endColumn":11}
+        value: " "test me""
+            range: {"startLine":15,"startColumn":12,"endLine":15,"endColumn":22}
+        range: {"startLine":15,"startColumn":4,"endLine":15,"endColumn":23}
+        disabled: false
+    property 2
+        name: "border"
+            range: {"startLine":16,"startColumn":7,"endLine":16,"endColumn":13}
+        value: " 1px solid black"
+            range: {"startLine":16,"startColumn":14,"endLine":16,"endColumn":30}
+        range: {"startLine":16,"startColumn":4,"endLine":16,"endColumn":34}
+        disabled: true
+======
+Ranges OK.
+