windows opengl: Don't construct WinSalGraphicsImpl just to destroy it again.
windows opengl: Don't construct WinSalGraphicsImpl just to destroy it again.

Change-Id: I61afb35503a3947aa21bd90224e2f8614033a384

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core