Remove unsafe getFontMetrics methods

third_party/WebKit/Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 2583 matching lines @@
 int Internals::selectPopupItemStyleFontHeight(Node* node, int itemIndex) {
   if (!node || !isHTMLSelectElement(*node))
     return false;
 
   HTMLSelectElement& select = toHTMLSelectElement(*node);
   if (itemIndex < 0 ||
       static_cast<size_t>(itemIndex) >= select.listItems().size())
     return false;
   const ComputedStyle* itemStyle =
       select.itemComputedStyle(*select.listItems()[itemIndex]);
-  return itemStyle ? itemStyle->font().getFontMetrics().height() : 0;
+
+  if (itemStyle) {
+    const SimpleFontData* fontData = itemStyle->font().primaryFont();
+    DCHECK(fontData);
+    return fontData ? fontData->getFontMetrics().height() : 0;
+  }
+  return 0;
 }
 
 void Internals::resetTypeAheadSession(HTMLSelectElement* select) {
   ASSERT(select);
   select->resetTypeAheadSessionForTesting();
 }
 
 bool Internals::loseSharedGraphicsContext3D() {
   std::unique_ptr<WebGraphicsContext3DProvider> sharedProvider = wrapUnique(
       Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
@@ skipping 410 matching lines @@
     return ClientRect::create();
 
   return ClientRect::create(FloatRect(node->layoutObject()->visualRect()));
 }
 
 void Internals::crash() {
   CHECK(false) << "Intentional crash";
 }
 
 }  // namespace blink