Convert editing/deleting/delete-block-merge-contents-0{18,19,20,21}.html to use w3c test harness

third_party/WebKit/LayoutTests/platform/mac/editing/deleting/delete-block-merge-contents-018-expected.txt

Index: third_party/WebKit/LayoutTests/platform/mac/editing/deleting/delete-block-merge-contents-018-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/mac/editing/deleting/delete-block-merge-contents-018-expected.txt b/third_party/WebKit/LayoutTests/platform/mac/editing/deleting/delete-block-merge-contents-018-expected.txt
deleted file mode 100644
index 2c0597562d9973477f53579fedf4f514d40eb00d..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/platform/mac/editing/deleting/delete-block-merge-contents-018-expected.txt
+++ /dev/null
@@ -1,27 +0,0 @@
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification
-EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification
-layer at (0,0) size 800x600
-  LayoutView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  LayoutBlockFlow {HTML} at (0,0) size 800x600
-    LayoutBlockFlow {BODY} at (8,8) size 784x584
-      LayoutBlockFlow {DIV} at (0,0) size 784x84 [border: (2px solid #0000FF)]
-        LayoutText {#text} at (14,14) size 726x56
-          text run at (14,14) width 720: "Should see \"Test OK\" in top red box, followed by \"...more text\", in its own"
-          text run at (733,14) width 7: " "
-          text run at (14,42) width 79: "red box."
-      LayoutBlockFlow {DIV} at (0,108) size 784x112
-        LayoutBlockFlow {DIV} at (0,0) size 784x112 [border: (2px solid #FF0000)]
-          LayoutBlockFlow (anonymous) at (14,14) size 756x28
-            LayoutText {#text} at (0,0) size 81x28
-              text run at (0,0) width 81: "Test OK"
-          LayoutBlockFlow {DIV} at (14,42) size 756x56 [border: (2px solid #FF0000)]
-            LayoutText {#text} at (14,14) size 110x28
-              text run at (14,14) width 110: "...more text"
-caret: position 2 of child 0 {#text} of child 1 {DIV} of child 3 {DIV} of body