Store a <scale, bias> tuple for textLength scale adjustment

third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp

Index: third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp
diff --git a/third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp b/third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp
index 49254562c2c67009f021befedf854379a8179d49..0176f2033f1d18f8fe3f7a3a145be76244992c3c 100644
--- a/third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp
+++ b/third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp
@@ -523,13 +523,10 @@ void SVGTextLayoutEngine::layoutTextOnLineOrPath(SVGInlineTextBox* textBox, Line
             if (m_isVerticalText)
                 m_currentTextFragment.transform.rotate(90);
 
+            m_currentTextFragment.isVertical = m_isVerticalText;
             m_currentTextFragment.isTextOnPath = m_inPathLayout && m_textPathScaling != 1;
-            if (m_currentTextFragment.isTextOnPath) {
-                if (m_isVerticalText)
-                    m_currentTextFragment.lengthAdjustTransform.scaleNonUniform(1, m_textPathScaling);
-                else
-                    m_currentTextFragment.lengthAdjustTransform.scaleNonUniform(m_textPathScaling, 1);
-            }
+            if (m_currentTextFragment.isTextOnPath)
+                m_currentTextFragment.lengthAdjustScale = m_textPathScaling;
         }
 
         // Update current text position, after processing of the current character finished.