Update from https://crrev.com/306655

cc/surfaces/surface.cc

Index: cc/surfaces/surface.cc
diff --git a/cc/surfaces/surface.cc b/cc/surfaces/surface.cc
index 600455f12618fb3d841d7bcf69984bfbf4470c90..c7b11457d6076e814fb4239c01fcc16e13049d64 100644
--- a/cc/surfaces/surface.cc
+++ b/cc/surfaces/surface.cc
@@ -18,9 +18,8 @@ namespace cc {
 // completely damaged the first time they're drawn from.
 static const int kFrameIndexStart = 2;
 
-Surface::Surface(SurfaceId id, const gfx::Size& size, SurfaceFactory* factory)
+Surface::Surface(SurfaceId id, SurfaceFactory* factory)
     : surface_id_(id),
-      size_(size),
       factory_(factory->AsWeakPtr()),
       frame_index_(kFrameIndexStart) {
 }