DevTools: shard inspector/elements tests for faster execution.

LayoutTests/inspector/elements/styles/styles-iframe-expected.txt

Index: LayoutTests/inspector/elements/styles/styles-iframe-expected.txt
diff --git a/LayoutTests/inspector/elements/styles/styles-iframe-expected.txt b/LayoutTests/inspector/elements/styles/styles-iframe-expected.txt
deleted file mode 100644
index 3430da36ee7fc6fa6d1bc5072910a9d46f7c9659..0000000000000000000000000000000000000000
--- a/LayoutTests/inspector/elements/styles/styles-iframe-expected.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-CONSOLE MESSAGE: line 9: iframe loaded
-Tests that proper (and different) styles are returned for body elements of main document and iframe.
-
-
-Main frame style:
-[expanded] 
-element.style  { ()
-
-[expanded] 
-media="screen" (styles-iframe.html)
-#main  { (styles-iframe.html:5 -> styles-iframe.html:5:3)
-    background: blue;
-
-[expanded] 
-div  { (user agent stylesheet)
-    display: block;
-
-iframe style:
-[expanded] 
-element.style  { ()
-
-[expanded] 
-media="screen" (styles-iframe-data.html)
-body  { (styles-iframe-data.html:4 -> styles-iframe-data.html:4:3)
-    background: green;
-
-[expanded] 
-body  { (user agent stylesheet)
-    display: block;
-    margin: 8px;
-
-