Remove ifdefs that are not needed once WebKit rolls.

cc/render_surface_filters.cc

Index: cc/render_surface_filters.cc
diff --git a/cc/render_surface_filters.cc b/cc/render_surface_filters.cc
index 1933e537275a7b7cf2ae66560e64ffcb9ef13500..8f61c698512f4e606ec1db3b167bb97d804f102e 100644
--- a/cc/render_surface_filters.cc
+++ b/cc/render_surface_filters.cc
@@ -424,7 +424,6 @@ SkBitmap RenderSurfaceFilters::Apply(const WebKit::WebFilterOperations& filters,
         break;
       }
       case WebKit::WebFilterOperation::FilterTypeZoom: {
-#ifdef NEW_ZOOM_FILTER // TODO(danakj): Remove this when WebKit rolls.
         SkPaint paint;
         int width = state.Source().width();
         int height = state.Source().height();
@@ -440,7 +439,6 @@ SkBitmap RenderSurfaceFilters::Apply(const WebKit::WebFilterOperations& filters,
         canvas->saveLayer(NULL, &paint);
         canvas->drawBitmap(state.Source(), 0, 0);
         canvas->restore();
-#endif
         break;
       }
       case WebKit::WebFilterOperation::FilterTypeBrightness: