DevTools: Split creating inspector stylesheet and adding a new rule into stylesheet in protocol.

LayoutTests/inspector-protocol/css/css-create-stylesheet-and-add-rule-expected.txt

Index: LayoutTests/inspector-protocol/css/css-create-stylesheet-and-add-rule-expected.txt
diff --git a/LayoutTests/inspector-protocol/css/css-create-stylesheet-and-add-rule-expected.txt b/LayoutTests/inspector-protocol/css/css-create-stylesheet-and-add-rule-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a4e46bbaee0908645b30696771c2097c509d433
--- /dev/null
+++ b/LayoutTests/inspector-protocol/css/css-create-stylesheet-and-add-rule-expected.txt
@@ -0,0 +1,25 @@
+Inspected contents
+Style sheet added: regular (stylesheet.css)
+Dumping matched rules: 
+*#inspected* {    regular (stylesheet.css)
+    color: red;
+}
+Adding a rule to the existing stylesheet.
+Dumping matched rules: 
+*#inspected* {    regular (stylesheet.css)
+    color: red;
+}
+*#inspected* {    regular (stylesheet.css)
+}
+Creating inspector stylesheet.
+Style sheet added: inspector
+Adding a rule to the inspector stylesheet.
+Dumping matched rules: 
+*#inspected* {    regular (stylesheet.css)
+    color: red;
+}
+*#inspected* {    regular (stylesheet.css)
+}
+*#inspected* {    inspector
+}
+