Move rendering/RenderImage* to layout/LayoutImage*

LayoutTests/platform/linux/fast/encoding/utf-16-little-endian-expected.txt

 layer at (0,0) size 800x600 scrollWidth 807 scrollHeight 1172
   RenderView at (0,0) size 800x600
 layer at (0,0) size 800x1172 backgroundClip at (0,0) size 800x600 clip at (0,0) size 800x600 outlineClip at (0,0) size 800x600
   RenderBlock {HTML} at (0,0) size 800x1172.44
     RenderBody {BODY} at (8,8) size 784x1151.11 [bgcolor=#EEEEEE]
       RenderBlock (anonymous) at (0,0) size 784x22
         RenderInline {SPAN} at (0,0) size 190x16
           RenderText {#text} at (0,0) size 0x0
           RenderInline {SPAN} at (0,0) size 190x16
             RenderText {#text} at (0,0) size 0x0
@@ skipping 415 matching lines @@
           RenderInline {A} at (0,0) size 162x16 [color=#0000EE]
             RenderText {#text} at (203,0) size 162x16
               text run at (203,0) width 162: "Click here for latest updates"
           RenderText {#text} at (0,0) size 0x0
       RenderBlock (anonymous) at (0,1164.44) size 784x0
         RenderInline {SPAN} at (0,0) size 0x0
           RenderInline {SPAN} at (0,0) size 0x0
           RenderText {#text} at (0,0) size 0x0
 layer at (8,45) size 73x24 clip at (9,46) size 71x22
   RenderBlock {DIV} at (0,0) size 73x24 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (26,47) size 53x20
   RenderBlock {DIV} at (18,2) size 53x20
     RenderText {#text} at (0,0) size 53x19
       text run at (0,0) width 53: "Names"
 layer at (8,110) size 82x20 clip at (9,111) size 80x18
   RenderBlock {DIV} at (0,0) size 82x20 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (26,112) size 62x16
   RenderBlock {DIV} at (18,2) size 62x16
     RenderText {#text} at (0,0) size 62x16
       text run at (0,0) width 62: "Addresses"
 layer at (8,191) size 79x24 clip at (9,192) size 77x22
   RenderBlock {DIV} at (0,0) size 79x24 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (26,193) size 59x20
   RenderBlock {DIV} at (18,2) size 59x20
     RenderText {#text} at (0,0) size 59x19
       text run at (0,0) width 59: "Phones"
 layer at (8,312) size 82x24 clip at (9,313) size 80x22
   RenderBlock {DIV} at (0,0) size 82x24 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (26,314) size 62x20
   RenderBlock {DIV} at (18,2) size 62x20
     RenderText {#text} at (0,0) size 62x19
       text run at (0,0) width 62: "Itinerary"
 layer at (19,356) size 162x23 clip at (20,357) size 160x21
   RenderBlock {DIV} at (0,0) size 162x23 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (37,358) size 142x19
   RenderBlock {DIV} at (18,2) size 142x19
     RenderText {#text} at (0,0) size 142x18
       text run at (0,0) width 142: "TUR - Tour Package"
 layer at (19,506) size 107x23 clip at (20,507) size 105x21
   RenderBlock {DIV} at (0,0) size 107x23 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (37,508) size 87x19
   RenderBlock {DIV} at (18,2) size 87x19
     RenderText {#text} at (0,0) size 87x18
       text run at (0,0) width 87: "Air Segment"
 layer at (19,727) size 107x23 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0 outlineClip at (0,0) size 800x600
   RenderBlock {DIV} at (0,0) size 107x23 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (37,729) size 87x19 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0 outlineClip at (0,0) size 0x0
   RenderBlock {DIV} at (18,2) size 87x19
     RenderText {#text} at (0,0) size 87x18
       text run at (0,0) width 87: "Air Segment"
 layer at (19,905) size 107x23 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0 outlineClip at (0,0) size 800x600
   RenderBlock {DIV} at (0,0) size 107x23 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (37,907) size 87x19 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0 outlineClip at (0,0) size 0x0
   RenderBlock {DIV} at (18,2) size 87x19
     RenderText {#text} at (0,0) size 87x18
       text run at (0,0) width 87: "Air Segment"
 layer at (8,994) size 20x20 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0 outlineClip at (0,0) size 800x600
   RenderBlock {DIV} at (0,0) size 20x20 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (26,996) size 0x0
   RenderBlock {DIV} at (18,2) size 0x0
 layer at (8,1061) size 82x24 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0 outlineClip at (0,0) size 800x600
   RenderBlock {DIV} at (0,0) size 82x24 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (26,1063) size 62x20 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0 outlineClip at (0,0) size 0x0
   RenderBlock {DIV} at (18,2) size 62x20
     RenderText {#text} at (0,0) size 62x19
       text run at (0,0) width 62: "Itinerary"
 layer at (8,1101) size 20x20 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0 outlineClip at (0,0) size 800x600
   RenderBlock {DIV} at (0,0) size 20x20 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (26,1103) size 0x0
   RenderBlock {DIV} at (18,2) size 0x0
 layer at (23,45) size 102x16
   RenderInline (relative positioned) {SPAN} at (0,0) size 102x16
     RenderText {#text} at (0,0) size 0x0
     RenderInline {SPAN} at (0,0) size 102x16
       RenderText {#text} at (0,0) size 0x0
       RenderBlock {IMG} at (0,24) size 20x20
       RenderText {#text} at (20,31) size 4x16
         text run at (20,31) width 4: " "
       RenderInline {SPAN} at (0,0) size 78x16
         RenderText {#text} at (24,31) size 78x16
           text run at (24,31) width 78: "HAO, SCOTT"
         RenderBR {BR} at (102,44) size 0x0
         RenderText {#text} at (0,0) size 0x0
       RenderText {#text} at (0,0) size 0x0
     RenderText {#text} at (0,0) size 0x0
 layer at (23,69) size 20x20 clip at (24,70) size 18x18
   RenderBlock {DIV} at (0,0) size 20x20 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (41,71) size 0x0
   RenderBlock {DIV} at (18,2) size 0x0
 layer at (48,45) size 0x0
   RenderInline (relative positioned) {SPAN} at (0,0) size 0x0
     RenderText {#text} at (0,0) size 0x0
 layer at (23,108) size 583x39
   RenderInline (relative positioned) {SPAN} at (0,0) size 583x39
     RenderText {#text} at (0,0) size 0x0
     RenderBlock {IMG} at (0,22) size 20x20
     RenderText {#text} at (20,29) size 563x16
       text run at (20,29) width 4: " "
       text run at (24,29) width 56: "Address: "
       text run at (80,29) width 503: "ST. JUDE MEDICAL, 21700 OXNARD ST SUITE 800, WOODLAND HILLS CA Z/91367 "
     RenderBR {BR} at (583,42) size 0x0
     RenderBlock {IMG} at (0,45) size 20x20
     RenderText {#text} at (20,52) size 402x16
       text run at (20,52) width 4: " "
       text run at (24,52) width 46: "Deliver: "
       text run at (70,52) width 102: "DEBI STANGEL, "
       text run at (172,52) width 116: "119 GLEN COURT, "
       text run at (288,52) width 134: "DANVILLE CA Z/94526"
 layer at (23,130) size 20x20 clip at (24,131) size 18x18
   RenderBlock {DIV} at (0,0) size 20x20 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (41,132) size 0x0
   RenderBlock {DIV} at (18,2) size 0x0
 layer at (23,153) size 20x20 clip at (24,154) size 18x18
   RenderBlock {DIV} at (0,0) size 20x20 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (41,155) size 0x0
   RenderBlock {DIV} at (18,2) size 0x0
 layer at (23,191) size 20x16
   RenderInline (relative positioned) {SPAN} at (0,0) size 20x16
     RenderText {#text} at (0,0) size 0x0
     RenderBlock {IMG} at (0,24) size 20x20
     RenderText {#text} at (0,0) size 0x0
 layer at (23,215) size 20x20 clip at (24,216) size 18x18
   RenderBlock {DIV} at (0,0) size 20x20 [border: (1px solid #C0C0C0)]
-    RenderImage {IMG} at (2,2) size 16x16
+    LayoutImage {IMG} at (2,2) size 16x16
 layer at (41,217) size 0x0
   RenderBlock {DIV} at (18,2) size 0x0
 layer at (23,235) size 784x62 backgroundClip at (0,0) size 800x600 clip at (0,0) size 800x600 outlineClip at (0,0) size 800x600
   RenderBlock (anonymous) at (0,226.94) size 784x62
 layer at (43,220) size 520x62
   LayoutTable {TABLE} at (0,0) size 520x62 [border: (1px outset #808080)]
     LayoutTableSection {TBODY} at (1,1) size 518x60
       LayoutTableRow {TR} at (0,2) size 518x23 [bgcolor=#E0E0E0]
         LayoutTableCell {TD} at (2,2) size 91x23 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
           RenderText {#text} at (2,2) size 34x18
@@ skipping 19 matching lines @@
       LayoutTableRow {TR} at (0,56) size 518x0
       LayoutTableRow {TR} at (0,58) size 518x0
 layer at (23,297) size 0x0
   RenderInline (relative positioned) {SPAN} at (0,0) size 0x0
 layer at (33,1100) size 0x0
   RenderInline (relative positioned) {SPAN} at (0,0) size 0x0
     RenderText {#text} at (0,0) size 0x0
     RenderInline {SPAN} at (0,0) size 0x0
       RenderText {#text} at (0,0) size 0x0
     RenderText {#text} at (0,0) size 0x0