Third partial consrv merge vastly decreases GDI performance

Test CreateDIBitmap completed in 4.09 seconds. | Test CreateDIBitmap completed in 32.82 seconds.

Test listview completed in 2.10 seconds.       | Test listview completed in 12.21 seconds.

Test bitmap completed in 20.65 seconds.        | Test bitmap completed in 182.27 seconds.

Test brush completed in 4.03 seconds.          | Test brush completed in 36.09 seconds.

Test dc completed in 10.33 seconds.            | Test dc completed in 92.10 seconds.

Test dib completed in 40.85 seconds.           | Test dib completed in 236.52 seconds.

Test font completed in 21.79 seconds.          | Test font completed in 181.43 seconds.

Test metafile completed in 11.83 seconds.      | Test metafile completed in 96.67 seconds.

Test console completed in 6.10 seconds.        | Test console completed in 18.14 seconds.

Test file completed in 4.57 seconds.           | Test file completed in 16.55 seconds.

Test virtual completed in 4.83 seconds.        | Test virtual completed in 25.72 seconds.

Test mpr completed in 1.92 seconds.            | Test mpr completed in 11.70 seconds.

Test style completed in 30.95 seconds.         | Test style completed in 56.88 seconds.

Test domdoc completed in 2.47 seconds.         | Test domdoc completed in 15.18 seconds.

Test saxreader completed in 2.37 seconds.      | Test saxreader completed in 18.25 seconds.

Test rtl completed in 2.88 seconds.            | Test rtl completed in 21.80 seconds.

Test olefont completed in 1.88 seconds.        | Test olefont completed in 10.96 seconds.

Test msg completed in 47.85 seconds.           | Test msg completed in 177.51 seconds.