Bring back multicol reftests that got DRTified for impl-side painting.

LayoutTests/platform/win-xp/fast/multicol/layers-in-multicol-expected.txt

Index: LayoutTests/platform/win-xp/fast/multicol/layers-in-multicol-expected.txt
diff --git a/LayoutTests/platform/win-xp/fast/multicol/layers-in-multicol-expected.txt b/LayoutTests/platform/win-xp/fast/multicol/layers-in-multicol-expected.txt
deleted file mode 100644
index 4f2bf1985b874a6e57760d0974c3afa0fa737845..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/win-xp/fast/multicol/layers-in-multicol-expected.txt
+++ /dev/null
@@ -1,111 +0,0 @@
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-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x320
-  RenderBlock {HTML} at (0,0) size 800x320
-    RenderBody {BODY} at (8,16) size 784x296
-      RenderBlock {P} at (0,0) size 784x20
-        RenderText {#text} at (0,0) size 355x19
-          text run at (0,0) width 355: "Test layers which are fully contained within a single column."
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-        RenderText {#text} at (0,0) size 31x19
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-  RenderBlock {DIV} at (0,56) size 310x110 [border: (5px solid #800000)]
-    RenderText {#text} at (5,5) size 28x19
-      text run at (5,5) width 28: "line1"
-    RenderBR {BR} at (33,5) size 0x19
-    RenderText {#text} at (5,25) size 28x19
-      text run at (5,25) width 28: "line2"
-    RenderBR {BR} at (33,25) size 0x19
-    RenderText {#text} at (5,45) size 28x19
-      text run at (5,45) width 28: "line3"
-    RenderBR {BR} at (33,45) size 0x19
-    RenderText {#text} at (5,65) size 28x19
-      text run at (5,65) width 28: "line4"
-    RenderBR {BR} at (33,65) size 0x19
-    RenderText {#text} at (5,85) size 28x19
-      text run at (5,85) width 28: "line5"
-    RenderBR {BR} at (33,85) size 0x19
-    RenderText {#text} at (5,105) size 28x19
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-    RenderBR {BR} at (33,105) size 0x19
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-      text run at (21,125) width 32: " line7"
-    RenderBR {BR} at (53,125) size 0x19
-    RenderText {#text} at (5,145) size 28x19
-      text run at (5,145) width 28: "line8"
-    RenderBR {BR} at (33,145) size 0x19
-    RenderBR {BR} at (56,165) size 0x19
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-      text run at (5,185) width 36: "line10"
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-    RenderBR {BR} at (41,205) size 0x19
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-    RenderBR {BR} at (41,225) size 0x19
-    RenderBR {BR} at (65,245) size 0x19
-    RenderText {#text} at (5,265) size 36x19
-      text run at (5,265) width 36: "line14"
-layer at (8,202) size 310x110
-  RenderBlock {DIV} at (0,186) size 310x110 [border: (5px solid #800000)]
-    RenderText {#text} at (77,5) size 28x19
-      text run at (77,5) width 28: "line1"
-    RenderBR {BR} at (77,5) size 0x19
-    RenderText {#text} at (77,25) size 28x19
-      text run at (77,25) width 28: "line2"
-    RenderBR {BR} at (77,25) size 0x19
-    RenderText {#text} at (77,45) size 28x19
-      text run at (77,45) width 28: "line3"
-    RenderBR {BR} at (77,45) size 0x19
-    RenderText {#text} at (77,65) size 28x19
-      text run at (77,65) width 28: "line4"
-    RenderBR {BR} at (77,65) size 0x19
-    RenderText {#text} at (77,85) size 28x19
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-    RenderBR {BR} at (77,85) size 0x19
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-    RenderText {#text} at (57,125) size 32x19
-      text run at (57,125) width 28: "line7"
-      text run at (85,125) width 4 RTL: " "
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-      text run at (69,265) width 36: "line14"
-layer at (8,68) size 51x19
-  RenderInline (relative positioned) {SPAN} at (0,0) size 51x19 [color=#008000]
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-      text run at (5,245) width 60: "opacity13"
-layer at (8,198) size 51x19
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