DevTools: shard inspector/elements tests for faster execution.

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

Index: LayoutTests/inspector/elements/styles/styles-computed-trace-expected.txt
diff --git a/LayoutTests/inspector/elements/styles/styles-computed-trace-expected.txt b/LayoutTests/inspector/elements/styles/styles-computed-trace-expected.txt
deleted file mode 100644
index 7ec9d8d8bc88c2eb3060761d897f7d1c6fad72db..0000000000000000000000000000000000000000
--- a/LayoutTests/inspector/elements/styles/styles-computed-trace-expected.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-Tests that computed styles expand and allow tracing to style rules.
-
-==== Computed style for ID1 ====
-background-attachment: scroll;
-background-clip: border-box;
-background-color: rgb(128, 128, 128);
-background-image: none;
-background-origin: padding-box;
-background-size: auto;
-display: block;
-font-family: Courier;
-text-decoration: underline solid rgb(0, 0, 0);
-text-decoration-color: rgb(0, 0, 0);
-text-decoration-line: underline;
-text-decoration-style: solid;
-[expanded] 
-element.style  { ()
-
-==== Computed style for ID2 ====
-background-color: rgb(0, 0, 255);
-display: block;
-font-family: Courier;
-text-decoration: underline solid rgb(0, 0, 0);
-text-decoration-color: rgb(0, 0, 0);
-text-decoration-line: underline;
-text-decoration-style: solid;
-[expanded] 
-element.style  { ()
-
-==== Style for ID3 ====
-[expanded] 
-element.style  { ()
-
-[expanded] 
-button[Attributes Style]  { ()
-    display: none;
-
-