Use a non-replaced inline container for image alt text

third_party/WebKit/LayoutTests/platform/mac/fast/dom/34176-expected.txt

-layer at (0,0) size 800x600 clip at (0,0) size 785x600 scrollHeight 1458
+layer at (0,0) size 800x600 clip at (0,0) size 785x600 scrollHeight 1446
   LayoutView at (0,0) size 800x600
-layer at (0,0) size 785x1458 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600
-  LayoutBlockFlow {HTML} at (0,0) size 785x1458
-    LayoutBlockFlow {BODY} at (8,16) size 769x1426
+layer at (0,0) size 785x1446 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600
+  LayoutBlockFlow {HTML} at (0,0) size 785x1446
+    LayoutBlockFlow {BODY} at (8,16) size 769x1414
       LayoutBlockFlow {P} at (0,0) size 769x54
         LayoutText {#text} at (8,0) size 761x54
           text run at (8,0) width 405: "Test rendering of 3 text runs -- TextRun1 TextRun2 TextRun3, "
           text run at (412,0) width 357: "in which TextRun1 and TextRun2's bidi level are 2, and"
           text run at (39,18) width 730: "TextRun3's bidi level is 1. TextRun2 and TextRun3 are siblings. But their ancestor (not their parent) is a sibling of"
           text run at (93,36) width 72: "TextRun1. "
           text run at (164,36) width 605: "The visual order should be TextRun3 TextRun1 TextRun2, not TextRun3 TextRun2 TextRun1."
       LayoutBlockFlow {HR} at (0,70) size 769x2 [border: (1px inset #EEEEEE)]
       LayoutBlockFlow {P} at (0,88) size 769x19
         LayoutText {#text} at (299,1) size 470x18
@@ skipping 184 matching lines @@
       LayoutBlockFlow {DIV} at (0,709) size 769x18
         LayoutText {#text} at (682,0) size 60x18
           text run at (682,0) width 60: "This is a "
         LayoutInline {SPAN} at (0,0) size 28x18
           LayoutInline {B} at (0,0) size 28x18
             LayoutText {#text} at (741,0) size 28x18
               text run at (741,0) width 28: "Test"
       LayoutBlockFlow (anonymous) at (0,727) size 769x0
         LayoutInline {B} at (0,0) size 0x0
           LayoutText {#text} at (0,0) size 0x0
-      LayoutBlockFlow (anonymous) at (0,735) size 769x691
+      LayoutBlockFlow (anonymous) at (0,735) size 769x679
         LayoutBlockFlow {HR} at (0,0) size 769x2 [border: (1px inset #EEEEEE)]
         LayoutBlockFlow {P} at (0,18) size 769x18
           LayoutText {#text} at (91,0) size 678x18
             text run at (91,0) width 678: "Text in <img>, <href>, <em>, <tr>. The following English text should all display as \"This is a Test\"."
-        LayoutBlockFlow {DIV} at (0,52) size 769x24 [bgcolor=#FF0000]
-          LayoutText {#text} at (680,6) size 62x18
-            text run at (680,6) width 62: "This is a "
-          LayoutInline {SPAN} at (0,0) size 109x18
-            LayoutInline {A} at (0,0) size 109x18 [color=#551A8B]
-              LayoutText {#text} at (741,6) size 28x18
-                text run at (741,6) width 28: "Test"
-              LayoutInline {SPAN} at (0,0) size 21x18
-                LayoutBlockFlow {IMG} at (660.23,0) size 20x24
-        LayoutBlockFlow {DIV} at (0,76) size 769x19 [bgcolor=#FF0000]
+        LayoutBlockFlow {DIV} at (0,52) size 769x18 [bgcolor=#FF0000]
+          LayoutText {#text} at (680,0) size 62x18
+            text run at (680,0) width 62: "This is a "
+          LayoutInline {SPAN} at (0,0) size 89x18
+            LayoutInline {A} at (0,0) size 89x18 [color=#551A8B]
+              LayoutText {#text} at (741,0) size 28x18
+                text run at (741,0) width 28: "Test"
+              LayoutInline {SPAN} at (0,0) size 1x18
+                LayoutBlockFlow {IMG} at (680.23,14) size 0x0
+                  LayoutInline {SPAN} at (0,0) size 0x0
+                    LayoutInline {SPAN} at (0,0) size 0x0
+        LayoutBlockFlow {DIV} at (0,70) size 769x19 [bgcolor=#FF0000]
           LayoutText {#text} at (680,1) size 62x18
             text run at (680,1) width 62: "This is a "
           LayoutInline {SPAN} at (0,0) size 122x18
             LayoutInline {A} at (0,0) size 122x18 [color=#551A8B]
               LayoutText {#text} at (676,1) size 93x18
                 text run at (676,1) width 5 RTL: " "
                 text run at (741,1) width 28: "Test"
               LayoutInline {SPAN} at (0,0) size 30x18
                 LayoutText {#text} at (647,1) size 30x18
                   text run at (647,1) width 30 RTL: "\x{5E9}\x{5E0}\x{5D1}"
-        LayoutBlockFlow {DIV} at (0,95) size 769x18 [bgcolor=#FF0000]
+        LayoutBlockFlow {DIV} at (0,89) size 769x18 [bgcolor=#FF0000]
           LayoutText {#text} at (682,0) size 61x18
             text run at (682,0) width 61: "This is a "
           LayoutInline {SPAN} at (0,0) size 87x18
             LayoutInline {EM} at (0,0) size 87x18
               LayoutText {#text} at (742,0) size 27x18
                 text run at (742,0) width 27: "Test"
               LayoutInline {A} at (0,0) size 1x18 [color=#551A8B]
-        LayoutBlockFlow {DIV} at (0,113) size 769x24 [bgcolor=#FF0000]
-          LayoutText {#text} at (682,6) size 61x18
-            text run at (682,6) width 61: "This is a "
-          LayoutInline {SPAN} at (0,0) size 107x18
-            LayoutInline {EM} at (0,0) size 107x18
-              LayoutText {#text} at (742,6) size 27x18
-                text run at (742,6) width 27: "Test"
-              LayoutInline {SPAN} at (0,0) size 21x18
-                LayoutBlockFlow {IMG} at (662.02,0) size 20x24
-        LayoutBlockFlow {DIV} at (0,137) size 769x18
+        LayoutBlockFlow {DIV} at (0,107) size 769x18 [bgcolor=#FF0000]
+          LayoutText {#text} at (682,0) size 61x18
+            text run at (682,0) width 61: "This is a "
+          LayoutInline {SPAN} at (0,0) size 87x18
+            LayoutInline {EM} at (0,0) size 87x18
+              LayoutText {#text} at (742,0) size 27x18
+                text run at (742,0) width 27: "Test"
+              LayoutInline {SPAN} at (0,0) size 1x18
+                LayoutBlockFlow {IMG} at (682.02,14) size 0x0
+                  LayoutInline {SPAN} at (0,0) size 0x0
+                    LayoutInline {SPAN} at (0,0) size 0x0
+        LayoutBlockFlow {DIV} at (0,125) size 769x18
           LayoutText {#text} at (638,0) size 62x18
             text run at (638,0) width 62: "This is a "
           LayoutInline {SPAN} at (0,0) size 70x18
             LayoutInline {A} at (0,0) size 70x18 [color=#551A8B]
               LayoutText {#text} at (699,0) size 33x18
                 text run at (699,0) width 33: "Test "
               LayoutInline {SPAN} at (0,0) size 38x18
                 LayoutText {#text} at (731,0) size 38x18
                   text run at (731,0) width 38: "again"
-        LayoutBlockFlow {DIV} at (0,155) size 769x42
+        LayoutBlockFlow {DIV} at (0,143) size 769x42
           LayoutBlockFlow (anonymous) at (0,0) size 769x18
             LayoutText {#text} at (682,0) size 61x18
               text run at (682,0) width 61: "This is a "
             LayoutInline {SPAN} at (0,0) size 27x18
               LayoutInline {EM} at (0,0) size 27x18
                 LayoutText {#text} at (742,0) size 27x18
                   text run at (742,0) width 27: "Test"
           LayoutBlockFlow (anonymous) at (0,18) size 769x24
             LayoutTable {TABLE} at (755,0) size 14x24
               LayoutTableSection {TBODY} at (0,0) size 14x24
                 LayoutTableRow {TR} at (0,2) size 14x20
                   LayoutTableCell {TD} at (2,2) size 10x20 [r=0 c=0 rs=1 cs=1]
                     LayoutText {#text} at (1,1) size 8x18
                       text run at (1,1) width 8: "a"
           LayoutBlockFlow (anonymous) at (0,42) size 769x0
             LayoutInline {SPAN} at (0,0) size 0x0
               LayoutInline {EM} at (0,0) size 0x0
-        LayoutBlockFlow {HR} at (0,205) size 769x2 [border: (1px inset #EEEEEE)]
-        LayoutBlockFlow {UL} at (0,223) size 769x468
+        LayoutBlockFlow {HR} at (0,193) size 769x2 [border: (1px inset #EEEEEE)]
+        LayoutBlockFlow {UL} at (0,211) size 769x468
           LayoutListItem {LI} at (40,0) size 729x18
             LayoutListMarker (anonymous) at (-17,0) size 7x18: bullet
             LayoutText {#text} at (0,0) size 111x18
               text run at (0,0) width 111: "Test 0: : Success"
           LayoutListItem {LI} at (40,18) size 729x18
             LayoutListMarker (anonymous) at (-17,0) size 7x18: bullet
             LayoutText {#text} at (0,0) size 111x18
               text run at (0,0) width 111: "Test 1: : Success"
           LayoutListItem {LI} at (40,36) size 729x18
             LayoutListMarker (anonymous) at (-17,0) size 7x18: bullet
@@ skipping 84 matching lines @@
             LayoutText {#text} at (0,0) size 119x18
               text run at (0,0) width 119: "Test 23: : Success"
           LayoutListItem {LI} at (40,432) size 729x18
             LayoutListMarker (anonymous) at (-17,0) size 7x18: bullet
             LayoutText {#text} at (0,0) size 119x18
               text run at (0,0) width 119: "Test 24: : Success"
           LayoutListItem {LI} at (40,450) size 729x18
             LayoutListMarker (anonymous) at (-17,0) size 7x18: bullet
             LayoutText {#text} at (0,0) size 119x18
               text run at (0,0) width 119: "Test 25: : Success"
-      LayoutBlockFlow (anonymous) at (0,1442) size 769x0
+      LayoutBlockFlow (anonymous) at (0,1430) size 769x0
         LayoutInline {B} at (0,0) size 0x0
-layer at (668,803) size 20x20 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0
-  LayoutBlockFlow {DIV} at (0,0) size 20x20 [border: (1px solid #C0C0C0)]
-    LayoutImage (floating) {IMG} at (2,2) size 16x16
-layer at (670,805) size 0x0
-  LayoutBlockFlow {DIV} at (2,2) size 0x0
-layer at (670,864) size 20x20 backgroundClip at (0,0) size 0x0 clip at (0,0) size 0x0
-  LayoutBlockFlow {DIV} at (0,0) size 20x20 [border: (1px solid #C0C0C0)]
-    LayoutImage (floating) {IMG} at (2,2) size 16x16
-layer at (672,866) size 0x0
-  LayoutBlockFlow {DIV} at (2,2) size 0x0
 selection start: position 0 of child 0 {#text} of child 14 {DIV} of child 56 {B} of body
 selection end:   position 4 of child 0 {#text} of child 14 {DIV} of child 56 {B} of body