Clear SVGInlineTextBox fragments when the text changes.

Source/core/rendering/svg/SVGInlineTextBox.cpp

Index: Source/core/rendering/svg/SVGInlineTextBox.cpp
diff --git a/Source/core/rendering/svg/SVGInlineTextBox.cpp b/Source/core/rendering/svg/SVGInlineTextBox.cpp
index c30cd90f35e2dfddfd4a4508d190e138ba8bf135..66b2ddbee0b62a5e22f5afc04a9db5a19d0951d2 100644
--- a/Source/core/rendering/svg/SVGInlineTextBox.cpp
+++ b/Source/core/rendering/svg/SVGInlineTextBox.cpp
@@ -68,6 +68,12 @@ void SVGInlineTextBox::dirtyLineBoxes()
 
     // Clear the now stale text fragments
     clearTextFragments();
+
+    // And clear any following text fragments as the text on which they
+    // depend may now no longer exist, or glyph positions may be wrong
+    InlineTextBox* nextBox = nextTextBox();
+    if (nextBox)
+        nextBox->dirtyLineBoxes();
 }
 
 int SVGInlineTextBox::offsetForPosition(float, bool) const