remove SkGPipe

dm/DMSrcSink.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef DMSrcSink_DEFINED
 #define DMSrcSink_DEFINED
 
 #include "DMGpuSupport.h"
 #include "SkBBHFactory.h"
 #include "SkBBoxHierarchy.h"
 #include "SkBitmap.h"
 #include "SkBitmapRegionDecoder.h"
 #include "SkCanvas.h"
 #include "SkData.h"
-#include "SkGPipe.h"
 #include "SkPicture.h"
 #include "gm.h"
 
 namespace DM {
 
 // This is just convenience.  It lets you use either return "foo" or return SkStringPrintf(...).
 struct ImplicitString : public SkString {
     template <typename T>
     ImplicitString(const T& s) : SkString(s) {}
     ImplicitString() : SkString("") {}
@@ skipping 280 matching lines @@
 };
 
 class ViaUpright : public Via {
 public:
     ViaUpright(SkMatrix, Sink*);
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
 private:
     const SkMatrix fMatrix;
 };
 
-class ViaPipe : public Via {
-public:
-    explicit ViaPipe(Sink* sink) : Via(sink) {}
-    Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
-};
-
 class ViaRemote : public Via {
 public:
     ViaRemote(bool cache, Sink* sink) : Via(sink), fCache(cache) {}
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
 private:
     bool fCache;
 };
 
 class ViaSerialization : public Via {
 public:
@@ skipping 24 matching lines @@
 
 class ViaTwice : public Via {
 public:
     explicit ViaTwice(Sink* sink) : Via(sink) {}
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
 };
 
 }  // namespace DM
 
 #endif//DMSrcSink_DEFINED