cc: Use gfx:: Geometry types for positions, bounds, and related things.

cc/stubs/skia_utils.h

 // Copyright (c) 2012 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.
 
 #ifndef CC_STUBS_SKIAUTILS_H_
 #define CC_STUBS_SKIAUTILS_H_
 
+#include <limits>
+
+#include "third_party/skia/include/core/SkScalar.h"
+
 namespace cc {
 
+// Skia has problems when passed infinite, etc floats, filter them to 0.
 inline SkScalar FloatToSkScalar(float f)
 {
-    return SkFloatToScalar(isfinite(f) ? f : 0);
+    // This checks if |f| is NaN.
+    if (f != f)
+        return 0;
+    if (f == std::numeric_limits<double>::infinity())
+        return 0;
+    if (f == -std::numeric_limits<double>::infinity())
+        return 0;
+    return SkFloatToScalar(f);
 }
 
 }
 
 #endif  // CC_STUBS_SKIAUTILS_H_