Revert "Use srcset's resource pixel density to determine intrinsic size"

LayoutTests/platform/mac/virtual/gpu/fast/hidpi/image-srcset-png-canvas-expected.txt

Index: LayoutTests/platform/mac/virtual/gpu/fast/hidpi/image-srcset-png-canvas-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/gpu/fast/hidpi/image-srcset-png-canvas-expected.txt b/LayoutTests/platform/mac/virtual/gpu/fast/hidpi/image-srcset-png-canvas-expected.txt
deleted file mode 100644
index 507305819e8bd4a88c64e52ae8bcee206fbe83aa..0000000000000000000000000000000000000000
--- a/LayoutTests/platform/mac/virtual/gpu/fast/hidpi/image-srcset-png-canvas-expected.txt
+++ /dev/null
@@ -1,62 +0,0 @@
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x514
-  RenderBlock {HTML} at (0,0) size 800x514.25
-    RenderBody {BODY} at (8,19.91) size 784x478.34
-      RenderBlock {H2} at (0,0) size 784x28
-        RenderInline {A} at (0,0) size 59x28 [color=#0000EE]
-          RenderText {#text} at (0,0) size 59x28
-            text run at (0,0) width 59: "srcset"
-        RenderText {#text} at (59,0) size 186x28
-          text run at (59,0) width 186: " testcases for SVG"
-      RenderBlock {DIV} at (0,47.91) size 784x232.22 [border: (1px solid #808080)]
-        RenderBlock {H3} at (17,35.72) size 750x22
-          RenderText {#text} at (0,0) size 371x22
-            text run at (0,0) width 371: "Canvas PNG without explicit dimensions - 1x"
-        RenderBlock (floating) {DIV} at (550.22,76.44) size 216.78x138.78 [bgcolor=#EEEEEE] [border: (1px solid #CCCCCC)]
-          RenderText {#text} at (7,7) size 56x18
-            text run at (7,7) width 56: "expected"
-          RenderBR {BR} at (63,7) size 0x18
-          RenderImage {IMG} at (7,25.39) size 202x102 [border: (1px solid #000000)]
-          RenderText {#text} at (0,0) size 0x0
-        RenderBlock (floating) {DIV} at (317.44,76.44) size 216.78x138.78 [bgcolor=#EEEEEE] [border: (1px solid #CCCCCC)]
-          RenderText {#text} at (7,7) size 37x18
-            text run at (7,7) width 37: "actual"
-          RenderBR {BR} at (44,7) size 0x18
-          RenderHTMLCanvas {CANVAS} at (7,25.39) size 202x102 [border: (1px solid #000000)]
-          RenderText {#text} at (0,0) size 0x0
-        RenderBlock (anonymous) at (17,76.44) size 750x138.78
-          RenderText {#text} at (0,0) size 277x54
-            text run at (0,0) width 271: "This test should show a PNG image drawn"
-            text run at (0,18) width 277: "into a canvas. The canvas and image should"
-            text run at (0,36) width 275: "look the same and both should be 200x100."
-          RenderBR {BR} at (275,36) size 0x18
-          RenderBlock {CODE} at (0,68) size 0x0
-          RenderText {#text} at (0,54) size 4x18
-            text run at (0,54) width 4: " "
-          RenderBR {BR} at (4,54) size 0x18
-      RenderBlock {DIV} at (0,296.13) size 784x182.22 [border: (1px solid #808080)]
-        RenderBlock {H3} at (17,35.72) size 750x22
-          RenderText {#text} at (0,0) size 371x22
-            text run at (0,0) width 371: "Canvas PNG without explicit dimensions - 2x"
-        RenderBlock (floating) {DIV} at (650.22,76.44) size 116.78x88.78 [bgcolor=#EEEEEE] [border: (1px solid #CCCCCC)]
-          RenderText {#text} at (7,7) size 56x18
-            text run at (7,7) width 56: "expected"
-          RenderBR {BR} at (63,7) size 0x18
-          RenderImage {IMG} at (7,25.39) size 102x52 [border: (1px solid #000000)]
-          RenderText {#text} at (0,0) size 0x0
-        RenderBlock (floating) {DIV} at (517.44,76.44) size 116.78x88.78 [bgcolor=#EEEEEE] [border: (1px solid #CCCCCC)]
-          RenderText {#text} at (7,7) size 37x18
-            text run at (7,7) width 37: "actual"
-          RenderBR {BR} at (44,7) size 0x18
-          RenderHTMLCanvas {CANVAS} at (7,25.39) size 102x52 [border: (1px solid #000000)]
-          RenderText {#text} at (0,0) size 0x0
-        RenderBlock (anonymous) at (17,76.44) size 750x88.78
-          RenderText {#text} at (0,0) size 472x36
-            text run at (0,0) width 472: "This test should show an SVG image drawn into a canvas. The canvas and"
-            text run at (0,18) width 355: "image should look the same and both should be 100x50."
-          RenderBR {BR} at (355,18) size 0x18
-          RenderBlock {CODE} at (0,50) size 0x0
-          RenderText {#text} at (0,36) size 4x18
-            text run at (0,36) width 4: " "
-          RenderBR {BR} at (4,36) size 0x18