Move rendering/RenderImage* to layout/LayoutImage*

LayoutTests/platform/win/css1/box_properties/border-expected.txt

 layer at (0,0) size 800x600 clip at (0,0) size 785x600 scrollHeight 1441
   RenderView at (0,0) size 800x600
 layer at (0,0) size 785x1441 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600
   RenderBlock {HTML} at (0,0) size 785x1441
     RenderBody {BODY} at (8,8) size 769x1425 [bgcolor=#CCCCCC]
       RenderBlock {P} at (0,0) size 769x18
         RenderText {#text} at (0,0) size 363x17
           text run at (0,0) width 363: "The style declarations which apply to the text below are:"
       RenderBlock {PRE} at (0,34) size 769x144
         RenderText {#text} at (0,0) size 272x144
@@ skipping 54 matching lines @@
       RenderBlock {P} at (0,555) size 769x18
         RenderText {#text} at (0,0) size 633x17
           text run at (0,0) width 633: "This paragraph should have no border around it, as its declaration is invalid and should be ignored."
       RenderBlock {P} at (0,589) size 769x37
         RenderInline {A} at (0,0) size 25x17
           RenderText {#text} at (0,0) size 25x17
             text run at (0,0) width 25: "The"
         RenderText {#text} at (24,0) size 731x17
           text run at (24,0) width 731: " following image is also an anchor which points to a target on this page, but it should not have a border around it: "
         RenderInline {A} at (0,0) size 15x17 [color=#0000FF]
-          RenderImage {IMG} at (0,18) size 15x15
+          LayoutImage {IMG} at (0,18) size 15x15
         RenderText {#text} at (15,19) size 4x17
           text run at (15,19) width 4: "."
       LayoutTable {TABLE} at (0,642) size 769x113 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 767x111
           LayoutTableRow {TR} at (0,5) size 767x42
             LayoutTableCell {TD} at (5,5) size 757x42 [border: (2px solid #008000)] [r=0 c=0 rs=1 cs=2]
               RenderText {#text} at (3,3) size 729x35
                 text run at (3,3) width 414: "Every cell in this table should have a 2-pixel solid green border. "
                 text run at (416,3) width 316: "This is also true of the table-testing section in the"
                 text run at (3,21) width 179: "second half of the test page."
@@ skipping 65 matching lines @@
                 RenderText {#text} at (0,0) size 633x17
                   text run at (0,0) width 633: "This paragraph should have no border around it, as its declaration is invalid and should be ignored."
               RenderBlock {P} at (5,385) size 743x37
                 RenderInline {A} at (0,0) size 25x17
                   RenderText {#text} at (0,0) size 25x17
                     text run at (0,0) width 25: "The"
                 RenderText {#text} at (24,0) size 733x36
                   text run at (24,0) width 709: " following image is also an anchor which points to a target on this page, but it should not have a border around"
                   text run at (0,19) width 18: "it: "
                 RenderInline {A} at (0,0) size 16x17 [color=#0000FF]
-                  RenderImage {IMG} at (17.33,18) size 15x15
+                  LayoutImage {IMG} at (17.33,18) size 15x15
                 RenderText {#text} at (32,19) size 5x17
                   text run at (32,19) width 5: "."
               LayoutTable {TABLE} at (5,438) size 743x113 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 741x111
                   LayoutTableRow {TR} at (0,5) size 741x42
                     LayoutTableCell {TD} at (5,5) size 731x42 [border: (2px solid #008000)] [r=0 c=0 rs=1 cs=2]
                       RenderText {#text} at (3,3) size 706x35
                         text run at (3,3) width 414: "Every cell in this table should have a 2-pixel solid green border. "
                         text run at (416,3) width 293: "This is also true of the table-testing section in"
                         text run at (3,21) width 203: "the second half of the test page."
                   LayoutTableRow {TR} at (0,52) size 741x54
                     LayoutTableCell {TD} at (5,67) size 186x24 [border: (2px solid #008000)] [r=1 c=0 rs=1 cs=1]
                       RenderText {#text} at (3,3) size 54x17
                         text run at (3,3) width 54: "Cell one"
                     LayoutTableCell {TD} at (196,52) size 540x54 [border: (2px solid #008000)] [r=1 c=1 rs=1 cs=1]
                       RenderBlock (anonymous) at (3,3) size 534x18
                         RenderText {#text} at (0,0) size 55x17
                           text run at (0,0) width 55: "Cell two"
                       LayoutTable {TABLE} at (3,21) size 168x30 [border: (1px outset #808080)]
                         LayoutTableSection {TBODY} at (1,1) size 166x28
                           LayoutTableRow {TR} at (0,2) size 166x24
                             LayoutTableCell {TD} at (2,2) size 162x24 [border: (2px solid #008000)] [r=0 c=0 rs=1 cs=1]
                               RenderText {#text} at (3,3) size 156x17
                                 text run at (3,3) width 156: "Nested single-cell table!"
               RenderBlock {P} at (5,567) size 743x18
                 RenderText {#text} at (0,0) size 180x17
                   text run at (0,0) width 180: "This is an unstyled element."