Don't allow whitespace between elements with display:table-cell

Source/core/layout/LayoutTheme.cpp

Index: Source/core/layout/LayoutTheme.cpp
diff --git a/Source/core/layout/LayoutTheme.cpp b/Source/core/layout/LayoutTheme.cpp
index dfcb3f6a64a95e55a6258867768be838bb19d292..ca24ac9e084cf46695feea4fa627ba304cfe7458 100644
--- a/Source/core/layout/LayoutTheme.cpp
+++ b/Source/core/layout/LayoutTheme.cpp
@@ -80,12 +80,13 @@ void LayoutTheme::adjustStyle(ComputedStyle& style, Element* e, const AuthorStyl
 {
     ASSERT(style.hasAppearance());
 
-    // Force inline and table display styles to be inline-block (except for table- which is block)
+    // Force inline and table display styles to be inline-block (except for table- which is block, and table-cell which we handle correctly).
+    // TODO(rhogan) crbug.com/515771: Allow all table part display types on form controls and create the appropriate anonymous table parts to contain them.
     ControlPart part = style.appearance();
     if (style.display() == INLINE || style.display() == INLINE_TABLE || style.display() == TABLE_ROW_GROUP
         || style.display() == TABLE_HEADER_GROUP || style.display() == TABLE_FOOTER_GROUP
         || style.display() == TABLE_ROW || style.display() == TABLE_COLUMN_GROUP || style.display() == TABLE_COLUMN
-        || style.display() == TABLE_CELL || style.display() == TABLE_CAPTION)
+        || style.display() == TABLE_CAPTION)
         style.setDisplay(INLINE_BLOCK);
     else if (style.display() == LIST_ITEM || style.display() == TABLE)
         style.setDisplay(BLOCK);