base: Change DCHECK_IS_ON to a macro DCHECK_IS_ON().

ui/compositor/dip_util.cc

Index: ui/compositor/dip_util.cc
diff --git a/ui/compositor/dip_util.cc b/ui/compositor/dip_util.cc
index ae418f0030ec3401d2848848beb98710870a796b..7356383c838f83a3a5ce2041d5674ef66e8fceab 100644
--- a/ui/compositor/dip_util.cc
+++ b/ui/compositor/dip_util.cc
@@ -18,7 +18,7 @@
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/geometry/size_conversions.h"
 
-#if DCHECK_IS_ON
+#if DCHECK_IS_ON()
 #include "ui/compositor/layer_animator.h"
 #endif
 
@@ -63,7 +63,7 @@ gfx::Rect ConvertRectToPixel(const Layer* layer,
   return gfx::ConvertRectToPixel(GetDeviceScaleFactor(layer), rect_in_dip);
 }
 
-#if DCHECK_IS_ON
+#if DCHECK_IS_ON()
 namespace {
 
 void CheckSnapped(float snapped_position) {
@@ -94,7 +94,7 @@ void SnapLayerToPhysicalPixelBoundary(ui::Layer* snapped_layer,
   gfx::Vector2dF fudge = view_offset_snapped - view_offset;
   fudge.Scale(1.0 / scale_factor);
   layer_to_snap->SetSubpixelPositionOffset(fudge);
-#if DCHECK_IS_ON
+#if DCHECK_IS_ON()
   gfx::Point layer_offset;
   gfx::PointF origin;
   Layer::ConvertPointToLayer(