1 files changed, 4 insertions, 1 deletions
diff --git a/Source/WebCore/rendering/InlineTextBox.h b/Source/WebCore/rendering/InlineTextBox.h
index 06ba040fc..9a8451578 100644
--- a/Source/WebCore/rendering/InlineTextBox.h
+++ b/Source/WebCore/rendering/InlineTextBox.h
@@ -64,6 +64,7 @@ public:
     void setNextTextBox(InlineTextBox* n) { m_nextTextBox = n; }
     void setPreviousTextBox(InlineTextBox* p) { m_prevTextBox = p; }
 
+    // FIXME: These accessors should ASSERT(!isDirty()). See https://bugs.webkit.org/show_bug.cgi?id=97264
     unsigned start() const { return m_start; }
     unsigned end() const { return m_len ? m_start + m_len - 1 : m_start; }
     unsigned len() const { return m_len; }
@@ -71,10 +72,12 @@ public:
     void setStart(unsigned start) { m_start = start; }
     void setLen(unsigned len) { m_len = len; }
 
-    void offsetRun(int d) { m_start += d; }
+    void offsetRun(int d) { ASSERT(!isDirty()); m_start += d; }
 
     unsigned short truncation() { return m_truncation; }
 
+    virtual void markDirty(bool dirty = true) OVERRIDE;
+
     using InlineBox::hasHyphen;
     using InlineBox::setHasHyphen;
     using InlineBox::canHaveLeadingExpansion;