Revert of remove unused SkAvoidXfermode

samplecode/ClockFaceView.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SampleCode.h"
 #include "SkView.h"
 #include "SkCanvas.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkGradientShader.h"
 #include "SkPath.h"
 #include "SkRegion.h"
 #include "SkShader.h"
 #include "SkUtils.h"
 #include "SkColorPriv.h"
 #include "SkColorFilter.h"
 #include "SkTypeface.h"
+#include "SkAvoidXfermode.h"
 
 static inline SkPMColor rgb2gray(SkPMColor c) {
     unsigned r = SkGetPackedR32(c);
     unsigned g = SkGetPackedG32(c);
     unsigned b = SkGetPackedB32(c);
 
     unsigned x = (r * 5 + g * 7 + b * 4) >> 4;
 
     return SkPackARGB32(0, x, x, x) | (c & (SK_A32_MASK << SK_A32_SHIFT));
 }
@@ skipping 214 matching lines @@
     }
 
 private:
     typedef SkView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new ClockFaceView; }
 static SkViewRegister reg(MyFactory);