[Reland] Relocate shaders to own dir

Consolidate all shader impls under src/shaders/.

(reland of https://skia-review.googlesource.com/c/17927/)

Change-Id: I7918bdc1aafe842ed194412ba95b9ae53a2ec1d7
Reviewed-on: https://skia-review.googlesource.com/18146
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>

1 files changed, 0 insertions, 41 deletions

diff --git a/src/core/SkEmptyShader.h b/src/core/SkEmptyShader.h
deleted file mode 100644
index d7187c4edf..0000000000
--- a/src/core/SkEmptyShader.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkEmptyShader_DEFINED
-#define SkEmptyShader_DEFINED
-
-#include "SkShaderBase.h"
-
-// TODO: move this to private, as there is a public factory on SkShader
-
-/**
- *  \class SkEmptyShader
- *  A Shader that always draws nothing. Its createContext always returns nullptr.
- */
-class SkEmptyShader : public SkShaderBase {
-public:
-    SkEmptyShader() {}
-
-    SK_TO_STRING_OVERRIDE()
-    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkEmptyShader)
-
-protected:
-    Context* onMakeContext(const ContextRec&, SkArenaAlloc*) const override {
-        return nullptr;
-    }
-
-    void flatten(SkWriteBuffer& buffer) const override {
-        // Do nothing.
-        // We just don't want to fall through to SkShader::flatten(),
-        // which will write data we don't care to serialize or decode.
-    }
-
-private:
-    typedef SkShaderBase INHERITED;
-};
-
-#endif