Convert editing/selection/shift-click.html to use assert_selection()

third_party/WebKit/LayoutTests/editing/selection/shift-click-expected.txt

Index: third_party/WebKit/LayoutTests/editing/selection/shift-click-expected.txt
diff --git a/third_party/WebKit/LayoutTests/editing/selection/shift-click-expected.txt b/third_party/WebKit/LayoutTests/editing/selection/shift-click-expected.txt
deleted file mode 100644
index 3aa8fc4a41a9535581565c2648e7dbb08c9ebca5..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/editing/selection/shift-click-expected.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-Tests that shift+clicking does the platform correct behavior.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-PASS window.getSelection().toString() is correct
-PASS Selection direction is correct.
-PASS window.getSelection().toString() is correct
-PASS Selection direction is correct.
-PASS window.getSelection().toString() is correct
-PASS Selection direction is correct.
-FAIL window.getSelection().toString() is "one two three
-four five " and should be "one two three
-four five"
-PASS Selection direction is correct.
-FAIL window.getSelection().toString() is "two three
-four five six" and should be "two three
-four five"
-PASS Selection direction is correct.
-PASS window.getSelection().toString() is correct
-PASS Selection direction is correct.
-PASS window.getSelection().toString() is correct
-PASS Selection direction is correct.
-PASS window.getSelection().toString() is correct
-PASS Selection direction is correct.
-PASS window.getSelection().toString() is correct
-PASS Selection direction is correct.
-PASS window.getSelection().toString() is correct
-FAIL Selection direction is not correct. Expected a backward selection.[anchorNode: [object Text](two three) anchorOffset: 0 focusNode: [object Text](two three) focusOffset: 3 isCollapsed: false]
-PASS successfullyParsed is true
-
-TEST COMPLETE
-one two three
-four five six