Reduce size of LinearBitmapPipeline

src/core/SkLinearBitmapPipeline_core.h

Index: src/core/SkLinearBitmapPipeline_core.h
diff --git a/src/core/SkLinearBitmapPipeline_core.h b/src/core/SkLinearBitmapPipeline_core.h
index 21fa48793d18b0872d094e9988fa9f9e91c69f6b..2c39a38320b18aefc0c217d7154c36c9b3dc1b21 100644
--- a/src/core/SkLinearBitmapPipeline_core.h
+++ b/src/core/SkLinearBitmapPipeline_core.h
@@ -8,6 +8,7 @@
 #ifndef SkLinearBitmapPipeline_core_DEFINED
 #define SkLinearBitmapPipeline_core_DEFINED
 
+#include <algorithm>
 #include <cmath>
 #include "SkNx.h"
 
@@ -238,4 +239,23 @@ public:
     virtual void SK_VECTORCALL blend4Pixels(Sk4f p0, Sk4f p1, Sk4f p2, Sk4f p3) = 0;
 };
 
+class SkLinearBitmapPipeline::PixelAccessorInterface {
+public:
+    virtual ~PixelAccessorInterface() { }
+    virtual void SK_VECTORCALL getFewPixels(
+        int n, Sk4s xs, Sk4s ys, Sk4f* px0, Sk4f* px1, Sk4f* px2) const = 0;
+
+    virtual void SK_VECTORCALL get4Pixels(
+        Sk4s xs, Sk4s ys, Sk4f* px0, Sk4f* px1, Sk4f* px2, Sk4f* px3) const = 0;
+
+    virtual void get4Pixels(
+        const void* src, int index, Sk4f* px0, Sk4f* px1, Sk4f* px2, Sk4f* px3) const = 0;
+
+    virtual Sk4f getPixelFromRow(const void* row, int index) const = 0;
+
+    virtual Sk4f getPixelAt(int index) const = 0;
+
+    virtual const void* row(int y) const = 0;
+};
+
 #endif // SkLinearBitmapPipeline_core_DEFINED