Make delegated software renderer work on Mac

cc/test/pixel_test_software_output_device.cc

Index: cc/test/pixel_test_software_output_device.cc
diff --git a/cc/test/pixel_test_software_output_device.cc b/cc/test/pixel_test_software_output_device.cc
index a8d986c1203e4e823aeb7eed2cee2d354ef1a300..6d049acc57ae7da31d272c3f798104de9159ea1d 100644
--- a/cc/test/pixel_test_software_output_device.cc
+++ b/cc/test/pixel_test_software_output_device.cc
@@ -6,10 +6,12 @@
 
 namespace cc {
 
-void PixelTestSoftwareOutputDevice::Resize(const gfx::Size& size) {
-  gfx::Size expanded_size(size.width() + surface_expansion_size_.width(),
-                          size.height() + surface_expansion_size_.height());
-  SoftwareOutputDevice::Resize(expanded_size);
+void PixelTestSoftwareOutputDevice::Resize(const gfx::Size& pixel_size,
+                                           float scale_factor) {
+  gfx::Size expanded_size(
+      pixel_size.width() + surface_expansion_size_.width(),
+      pixel_size.height() + surface_expansion_size_.height());
+  SoftwareOutputDevice::Resize(expanded_size, scale_factor);
 }
 
 }  // namespace cc