Better overflow handling for aspect-ratio MQ.

third_party/WebKit/Source/core/css/MediaQueryEvaluator.cpp

 /*
  * CSS Media Query Evaluator
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 175 matching lines @@
     case kNoPrefix:
       return std::abs(a - b) <= precision;
   }
   return false;
 }
 
 static bool CompareAspectRatioValue(const MediaQueryExpValue& value,
                                     int width,
                                     int height,
                                     MediaFeaturePrefix op) {
-  if (value.is_ratio)
-    return CompareValue(width * static_cast<int>(value.denominator),
-                        height * static_cast<int>(value.numerator), op);
-
+  if (value.is_ratio) {
+    return CompareValue(static_cast<double>(width) * value.denominator,
+                        static_cast<double>(height) * value.numerator, op);
+  }
   return false;
 }
 
 static bool NumberValue(const MediaQueryExpValue& value, float& result) {
   if (value.is_value && value.unit == CSSPrimitiveValue::UnitType::kNumber) {
     result = value.value;
     return true;
   }
   return false;
 }
@@ skipping 608 matching lines @@
   // Call the media feature evaluation function. Assume no prefix and let
   // trampoline functions override the prefix if prefix is used.
   EvalFunc func = g_function_map->at(expr->MediaFeature().Impl());
   if (func)
     return func(expr->ExpValue(), kNoPrefix, *media_values_);
 
   return false;
 }
 
 }  // namespace blink