Remove unsafe getFontMetrics methods

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 0a91c0cddf3f7cc5a6336bfeef8534b4656d6acc..c5d87328b6ec5d431b1d6980f9102d62a27138b6 100644
--- a/third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp
+++ b/third_party/WebKit/Source/core/layout/svg/SVGTextLayoutEngine.cpp
@@ -125,9 +125,14 @@ void SVGTextLayoutEngine::computeCurrentFragmentMetrics(
   const Font& scaledFont = textLineLayout.scaledFont();
   FloatRect glyphOverflowBounds;
 
+  const SimpleFontData* fontData = scaledFont.primaryFont();
+  DCHECK(fontData);
+  if (!fontData)
+    return;
+
   float width = scaledFont.width(run, nullptr, &glyphOverflowBounds);
-  float ascent = scaledFont.getFontMetrics().floatAscent();
-  float descent = scaledFont.getFontMetrics().floatDescent();
+  float ascent = fontData->getFontMetrics().floatAscent();
+  float descent = fontData->getFontMetrics().floatDescent();
   m_currentTextFragment.glyphOverflow.setFromBounds(glyphOverflowBounds, ascent,
                                                     descent, width);
   m_currentTextFragment.glyphOverflow.top /= scalingFactor;
@@ -135,7 +140,7 @@ void SVGTextLayoutEngine::computeCurrentFragmentMetrics(
   m_currentTextFragment.glyphOverflow.right /= scalingFactor;
   m_currentTextFragment.glyphOverflow.bottom /= scalingFactor;
 
-  float height = scaledFont.getFontMetrics().floatHeight();
+  float height = fontData->getFontMetrics().floatHeight();
   m_currentTextFragment.height = height / scalingFactor;
   m_currentTextFragment.width = width / scalingFactor;
 }