DevTools: shard inspector/elements tests for faster execution.

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

Index: LayoutTests/inspector/elements/styles/styles-history-expected.txt
diff --git a/LayoutTests/inspector/elements/styles/styles-history-expected.txt b/LayoutTests/inspector/elements/styles/styles-history-expected.txt
deleted file mode 100644
index 5db7f5805fe087aec2af5a19903eb4b703cb7cfb..0000000000000000000000000000000000000000
--- a/LayoutTests/inspector/elements/styles/styles-history-expected.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-Tests resources panel history.
-
-
-Running: testSetUp
-
-Running: testSetResourceContentMinor
-History length: 0
-
-Running: testSetResourceContentMajor
-History length: 1
-Item 0:
-body {
-  margin: 20px;
-  padding: 10px;
-}
-
-Running: testSetContentViaModelMinor
-History length: 1
-Item 0:
-body {
-  margin: 20px;
-  padding: 10px;
-}
-
-Running: testSetContentViaModelMajor
-History length: 2
-Item 0:
-body {
-  margin: 20px;
-  padding: 10px;
-}
-Item 1:
-body {
-  margin:30px;
-  padding: 10px;
-}
-