Remove unsafe getFontMetrics methods

third_party/WebKit/Source/core/paint/SVGInlineTextBoxPainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/SVGInlineTextBoxPainter.h"
 
 #include "core/editing/Editor.h"
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/editing/markers/RenderedDocumentMarker.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 311 matching lines @@
   float scalingFactor = 1;
   Font scaledFont;
   LayoutSVGInlineText::computeNewScaledFontForStyle(decorationLayoutObject,
                                                     scalingFactor, scaledFont);
   ASSERT(scalingFactor);
 
   float thickness = thicknessForDecoration(decoration, scaledFont);
   if (thickness <= 0)
     return;
 
+  const SimpleFontData* fontData = scaledFont.primaryFont();
+  DCHECK(fontData);
+  if (!fontData)
+    return;
+
   float decorationOffset = baselineOffsetForDecoration(
-      decoration, scaledFont.getFontMetrics(), thickness);
+      decoration, fontData->getFontMetrics(), thickness);
   FloatPoint decorationOrigin(fragment.x,
                               fragment.y - decorationOffset / scalingFactor);
 
   Path path;
   path.addRect(FloatRect(decorationOrigin,
                          FloatSize(fragment.width, thickness / scalingFactor)));
 
   const SVGComputedStyle& svgDecorationStyle = decorationStyle.svgStyle();
 
   for (int i = 0; i < 3; i++) {
@@ skipping 98 matching lines @@
     textOrigin.scale(scalingFactor, scalingFactor);
     textSize.scale(scalingFactor);
     stateSaver.save();
     context.scale(1 / scalingFactor, 1 / scalingFactor);
   }
 
   TextRunPaintInfo textRunPaintInfo(textRun);
   textRunPaintInfo.from = startPosition;
   textRunPaintInfo.to = endPosition;
 
-  float baseline = scaledFont.getFontMetrics().floatAscent();
+  const SimpleFontData* fontData = scaledFont.primaryFont();
+  DCHECK(fontData);
+  if (!fontData)
+    return;
+  float baseline = fontData->getFontMetrics().floatAscent();
   textRunPaintInfo.bounds = FloatRect(textOrigin.x(), textOrigin.y() - baseline,
                                       textSize.width(), textSize.height());
 
   context.drawText(scaledFont, textRunPaintInfo, textOrigin, paint);
 }
 
 void SVGInlineTextBoxPainter::paintText(const PaintInfo& paintInfo,
                                         const ComputedStyle& style,
                                         const ComputedStyle& selectionStyle,
                                         const SVGTextFragment& fragment,
@@ skipping 165 matching lines @@
     }
     FloatRect fragmentRect = m_svgInlineTextBox.selectionRectForTextFragment(
         fragment, textMatchInfo.startPosition, textMatchInfo.endPosition,
         style);
     paintInfo.context.setFillColor(color);
     paintInfo.context.fillRect(fragmentRect);
   }
 }
 
 }  // namespace blink