Retract SkDevice a bit more

gm/srcmode.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
 #include "SkPath.h"
 #include "SkSurface.h"
 
-#if SK_SUPPORT_GPU
-    #include "SkGpuDevice.h"
-#endif
-
 #define W   SkIntToScalar(80)
 #define H   SkIntToScalar(60)
 
 typedef void (*PaintProc)(SkPaint*);
 
 static void identity_paintproc(SkPaint* paint) {
     paint->setShader(nullptr);
 }
 
 static void gradient_paintproc(SkPaint* paint) {
@@ skipping 111 matching lines @@
         surf->draw(canvas, 0, 0, nullptr);
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new SrcModeGM;)