[Mac] Tweaks to Omnibox metrics.

chrome/browser/cocoa/toolbar_controller_unittest.mm

Index: chrome/browser/cocoa/toolbar_controller_unittest.mm
diff --git a/chrome/browser/cocoa/toolbar_controller_unittest.mm b/chrome/browser/cocoa/toolbar_controller_unittest.mm
index a39481bca597eac96da06eb0b0b8413d1f2d0ce0..64532b0d88d32d51326422e8942f32a11455eb17 100644
--- a/chrome/browser/cocoa/toolbar_controller_unittest.mm
+++ b/chrome/browser/cocoa/toolbar_controller_unittest.mm
@@ -272,8 +272,9 @@ TEST_F(ToolbarControllerTest, AutocompletePopupPosition) {
   EXPECT_LT(popupFrame.x(), NSMinX(locationFrame));
   EXPECT_GT(popupFrame.right(), NSMaxX(locationFrame));
 
-  // Make sure the popup frame is positioned at the bottom of the location bar.
-  EXPECT_EQ(popupFrame.bottom(), NSMinY(locationFrame));
+  // Make sure the popup frame is positioned above the bottom of the
+  // location bar.
+  EXPECT_GE(popupFrame.bottom(), NSMinY(locationFrame));
 }