Fix pdf_use_skia_paths build after commit 048d7f7c.

There is missing build coverage, apparently.

Change-Id: Ibaf3a8d3f478eca6ab683bdcf0d7a91eeddafde3
Reviewed-on: https://pdfium-review.googlesource.com/42290
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
diff --git a/core/fxge/skia/fx_skia_device.cpp b/core/fxge/skia/fx_skia_device.cpp
index db18100..b0d1fd0 100644
--- a/core/fxge/skia/fx_skia_device.cpp
+++ b/core/fxge/skia/fx_skia_device.cpp
@@ -2231,7 +2231,7 @@
       return true;
 
     pBack->CompositeBitmap(0, 0, pBack->GetWidth(), pBack->GetHeight(),
-                           m_pBitmap, 0, 0);
+                           m_pBitmap, 0, 0, FXDIB_BLEND_NORMAL, nullptr, false);
   } else {
     pBack = m_pBitmap->Clone(&rect);
     if (!pBack)