base: Use more specific CHECK macros for comparisons.

base/win/win_util_unittest.cc

Index: base/win/win_util_unittest.cc
diff --git a/base/win/win_util_unittest.cc b/base/win/win_util_unittest.cc
index 8300c1623b0fbaa16164e1bc78d83567bc193f4d..24141cd68a03022af0af7dc1abf9c81d2e68802f 100644
--- a/base/win/win_util_unittest.cc
+++ b/base/win/win_util_unittest.cc
@@ -49,9 +49,9 @@ TEST(BaseWinUtilTest, TestGetUserSidString) {
 TEST(BaseWinUtilTest, TestGetNonClientMetrics) {
   NONCLIENTMETRICS_XP metrics = {0};
   GetNonClientMetrics(&metrics);
-  EXPECT_TRUE(metrics.cbSize > 0);
-  EXPECT_TRUE(metrics.iScrollWidth > 0);
-  EXPECT_TRUE(metrics.iScrollHeight > 0);
+  EXPECT_GT(metrics.cbSize, 0u);
+  EXPECT_GT(metrics.iScrollWidth, 0);
+  EXPECT_GT(metrics.iScrollHeight, 0);
 }
 
 }  // namespace win