DevTools: revert back ComputedStylesSidebar

LayoutTests/inspector/elements/styles-3/styles-computed-trace-expected.txt

Index: LayoutTests/inspector/elements/styles-3/styles-computed-trace-expected.txt
diff --git a/LayoutTests/inspector/elements/styles-3/styles-computed-trace-expected.txt b/LayoutTests/inspector/elements/styles-3/styles-computed-trace-expected.txt
index 7ec9d8d8bc88c2eb3060761d897f7d1c6fad72db..a01b10988b1c53b62ff12bb724bb46bb190044c6 100644
--- a/LayoutTests/inspector/elements/styles-3/styles-computed-trace-expected.txt
+++ b/LayoutTests/inspector/elements/styles-3/styles-computed-trace-expected.txt
@@ -2,28 +2,54 @@ Tests that computed styles expand and allow tracing to style rules.
 
 ==== Computed style for ID1 ====
 background-attachment: scroll;
+    initial - #id1 styles-computed-trace.html:23 -> styles-computed-trace.html:23:1
 background-clip: border-box;
+    initial - #id1 styles-computed-trace.html:23 -> styles-computed-trace.html:23:1
 background-color: rgb(128, 128, 128);
+    gray - #id1 styles-computed-trace.html:23 -> styles-computed-trace.html:23:1
+    OVERLOADED black - #id1 styles-computed-trace.html:18 -> styles-computed-trace.html:18:1
+    OVERLOADED green - #id1 styles-computed-trace.html:13 -> styles-computed-trace.html:13:1
 background-image: none;
+    initial - #id1 styles-computed-trace.html:23 -> styles-computed-trace.html:23:1
 background-origin: padding-box;
+    initial - #id1 styles-computed-trace.html:23 -> styles-computed-trace.html:23:1
 background-size: auto;
+    initial - #id1 styles-computed-trace.html:23 -> styles-computed-trace.html:23:1
 display: block;
+    block - user agent stylesheetdiv user agent stylesheet
 font-family: Courier;
+    Courier - #id1 styles-computed-trace.html:18 -> styles-computed-trace.html:18:1
+    OVERLOADED Times - #id1 styles-computed-trace.html:13 -> styles-computed-trace.html:13:1
+    OVERLOADED Arial - body styles-computed-trace.html:4 -> styles-computed-trace.html:4:1
 text-decoration: underline solid rgb(0, 0, 0);
+    underline - div styles-computed-trace.html:9 -> styles-computed-trace.html:9:1
 text-decoration-color: rgb(0, 0, 0);
+    initial - div styles-computed-trace.html:9 -> styles-computed-trace.html:9:1
 text-decoration-line: underline;
+    underline - div styles-computed-trace.html:9 -> styles-computed-trace.html:9:1
 text-decoration-style: solid;
+    initial - div styles-computed-trace.html:9 -> styles-computed-trace.html:9:1
 [expanded] 
 element.style  { ()
 
 ==== Computed style for ID2 ====
 background-color: rgb(0, 0, 255);
+    blue - #id2 styles-computed-trace.html:27 -> styles-computed-trace.html:27:1
 display: block;
+    block - user agent stylesheetdiv user agent stylesheet
 font-family: Courier;
+    Courier - #id2 styles-computed-trace.html:27 -> styles-computed-trace.html:27:1
+    OVERLOADED Courier - #id1 styles-computed-trace.html:18 -> styles-computed-trace.html:18:1
+    OVERLOADED Times - #id1 styles-computed-trace.html:13 -> styles-computed-trace.html:13:1
+    OVERLOADED Arial - body styles-computed-trace.html:4 -> styles-computed-trace.html:4:1
 text-decoration: underline solid rgb(0, 0, 0);
+    underline - div styles-computed-trace.html:9 -> styles-computed-trace.html:9:1
 text-decoration-color: rgb(0, 0, 0);
+    initial - div styles-computed-trace.html:9 -> styles-computed-trace.html:9:1
 text-decoration-line: underline;
+    underline - div styles-computed-trace.html:9 -> styles-computed-trace.html:9:1
 text-decoration-style: solid;
+    initial - div styles-computed-trace.html:9 -> styles-computed-trace.html:9:1
 [expanded] 
 element.style  { ()