Revert of text-combine should scale rather than fall back to none when wide

Source/core/rendering/line/BreakingContextInlineHeaders.h

Index: Source/core/rendering/line/BreakingContextInlineHeaders.h
diff --git a/Source/core/rendering/line/BreakingContextInlineHeaders.h b/Source/core/rendering/line/BreakingContextInlineHeaders.h
index b77b866ce0bcab35d9251efd4ee222002e2462c3..324b8bc9f6b70c82df1f06e03f35b3ae46558216 100644
--- a/Source/core/rendering/line/BreakingContextInlineHeaders.h
+++ b/Source/core/rendering/line/BreakingContextInlineHeaders.h
@@ -480,6 +480,11 @@ inline void BreakingContext::handleReplaced()
     m_renderTextInfo.m_lineBreakIterator.updatePriorContext(replacementCharacter);
 }
 
+inline bool iteratorIsBeyondEndOfRenderCombineText(const InlineIterator& iter, RenderCombineText* renderer)
+{
+    return iter.object() == renderer && iter.offset() >= renderer->textLength();
+}
+
 inline void nextCharacter(UChar& currentCharacter, UChar& lastCharacter, UChar& secondToLastCharacter)
 {
     secondToLastCharacter = lastCharacter;
@@ -537,6 +542,17 @@ inline bool BreakingContext::handleText(WordMeasurements& wordMeasurements, bool
         m_lineBreak.moveToStartOf(m_current.object());
     }
 
+    if (renderText->style()->hasTextCombine() && m_current.object()->isCombineText() && !toRenderCombineText(m_current.object())->isCombined()) {
+        RenderCombineText* combineRenderer = toRenderCombineText(m_current.object());
+        combineRenderer->combineText();
+        // The length of the renderer's text may have changed. Increment stale iterator positions
+        if (iteratorIsBeyondEndOfRenderCombineText(m_lineBreak, combineRenderer)) {
+            ASSERT(iteratorIsBeyondEndOfRenderCombineText(m_resolver.position(), combineRenderer));
+            m_lineBreak.increment();
+            m_resolver.position().increment(&m_resolver);
+        }
+    }
+
     RenderStyle* style = renderText->style(m_lineInfo.isFirstLine());
     const Font& font = style->font();
     bool isFixedPitch = font.isFixedPitch();