Clean up a few more unused globals.

chrome/browser/notifications/balloon_collection_impl.cc

Index: chrome/browser/notifications/balloon_collection_impl.cc
diff --git a/chrome/browser/notifications/balloon_collection_impl.cc b/chrome/browser/notifications/balloon_collection_impl.cc
index 3ee0c050748effffd822391776f1a12796e6fec0..bf3efca7d2e696b07f9d8cedf78adfe5ea393be4 100644
--- a/chrome/browser/notifications/balloon_collection_impl.cc
+++ b/chrome/browser/notifications/balloon_collection_impl.cc
@@ -21,8 +21,6 @@
 #include "ui/gfx/screen.h"
 #include "ui/gfx/size.h"
 
-namespace {
-
 // Portion of the screen allotted for notifications. When notification balloons
 // extend over this, no new notifications are shown until some are closed.
 const double kPercentBalloonFillFactor = 0.7;
@@ -30,14 +28,15 @@ const double kPercentBalloonFillFactor = 0.7;
 // Allow at least this number of balloons on the screen.
 const int kMinAllowedBalloonCount = 2;
 
+// The spacing between the balloon and the panel.
+const int kVerticalSpacingBetweenBalloonAndPanel = 5;
+
+#if USE_OFFSETS
 // Delay from the mouse leaving the balloon collection before
 // there is a relayout, in milliseconds.
 const int kRepositionDelayMs = 300;
+#endif  // USE_OFFSETS
 
-// The spacing between the balloon and the panel.
-const int kVerticalSpacingBetweenBalloonAndPanel = 5;
-
-}  // namespace
 
 BalloonCollectionImpl::BalloonCollectionImpl()
 #if USE_OFFSETS