Floating point MQs should not match.

Source/core/css/MediaQueryEvaluatorTest.cpp

Index: Source/core/css/MediaQueryEvaluatorTest.cpp
diff --git a/Source/core/css/MediaQueryEvaluatorTest.cpp b/Source/core/css/MediaQueryEvaluatorTest.cpp
index f982909ebcdd6a8cf1c5baf3b393ed6ee0e9e56c..d72278ef72b31239291eb539b2d6cd8a36e66962 100644
--- a/Source/core/css/MediaQueryEvaluatorTest.cpp
+++ b/Source/core/css/MediaQueryEvaluatorTest.cpp
@@ -60,10 +60,17 @@ TestCase viewportTestCases[] = {
     {"(width: 501px)", 0},
     {"(min-height: 500px)", 1},
     {"(min-height: 501px)", 0},
+    {"(min-height: 500.001px)", 0},
     {"(max-height: 500px)", 1},
+    {"(max-height: 499.999px)", 0},
     {"(max-height: 499px)", 0},
     {"(height: 500px)", 1},
+    {"(height: 500.001px)", 0},
+    {"(height: 499.999px)", 0},
     {"(height: 501px)", 0},
+    {"(height)", 1},
+    {"(width)", 1},
+    {"(width: whatisthis)", 0},
     {"screen and (min-width: 400px) and (max-width: 700px)", 1},
     {0, 0} // Do not remove the terminator line.
 };