remove code behind SK_SUPPORT_LEGACY_PROCXFERMODE

src/core/SkXfermode.cpp

Index: src/core/SkXfermode.cpp
diff --git a/src/core/SkXfermode.cpp b/src/core/SkXfermode.cpp
index 73d0b01e1e6f2436590f5fec1239ccccfc3679c1..182d3b7197ce20b168275fdd10f73bb25b53f830 100644
--- a/src/core/SkXfermode.cpp
+++ b/src/core/SkXfermode.cpp
@@ -774,118 +774,6 @@ void SkXfermode::xferA8(SkAlpha* SK_RESTRICT dst,
     }
 }
 
-///////////////////////////////////////////////////////////////////////////////
-#ifdef SK_SUPPORT_LEGACY_PROCXFERMODE
-
-void SkProcXfermode::xfer32(SkPMColor* SK_RESTRICT dst,
-                            const SkPMColor* SK_RESTRICT src, int count,
-                            const SkAlpha* SK_RESTRICT aa) const {
-    SkASSERT(dst && src && count >= 0);
-
-    SkXfermodeProc proc = fProc;
-
-    if (NULL != proc) {
-        if (NULL == aa) {
-            for (int i = count - 1; i >= 0; --i) {
-                dst[i] = proc(src[i], dst[i]);
-            }
-        } else {
-            for (int i = count - 1; i >= 0; --i) {
-                unsigned a = aa[i];
-                if (0 != a) {
-                    SkPMColor dstC = dst[i];
-                    SkPMColor C = proc(src[i], dstC);
-                    if (a != 0xFF) {
-                        C = SkFourByteInterp(C, dstC, a);
-                    }
-                    dst[i] = C;
-                }
-            }
-        }
-    }
-}
-
-void SkProcXfermode::xfer16(uint16_t* SK_RESTRICT dst,
-                            const SkPMColor* SK_RESTRICT src, int count,
-                            const SkAlpha* SK_RESTRICT aa) const {
-    SkASSERT(dst && src && count >= 0);
-
-    SkXfermodeProc proc = fProc;
-
-    if (NULL != proc) {
-        if (NULL == aa) {
-            for (int i = count - 1; i >= 0; --i) {
-                SkPMColor dstC = SkPixel16ToPixel32(dst[i]);
-                dst[i] = SkPixel32ToPixel16_ToU16(proc(src[i], dstC));
-            }
-        } else {
-            for (int i = count - 1; i >= 0; --i) {
-                unsigned a = aa[i];
-                if (0 != a) {
-                    SkPMColor dstC = SkPixel16ToPixel32(dst[i]);
-                    SkPMColor C = proc(src[i], dstC);
-                    if (0xFF != a) {
-                        C = SkFourByteInterp(C, dstC, a);
-                    }
-                    dst[i] = SkPixel32ToPixel16_ToU16(C);
-                }
-            }
-        }
-    }
-}
-
-void SkProcXfermode::xferA8(SkAlpha* SK_RESTRICT dst,
-                            const SkPMColor* SK_RESTRICT src, int count,
-                            const SkAlpha* SK_RESTRICT aa) const {
-    SkASSERT(dst && src && count >= 0);
-
-    SkXfermodeProc proc = fProc;
-
-    if (NULL != proc) {
-        if (NULL == aa) {
-            for (int i = count - 1; i >= 0; --i) {
-                SkPMColor res = proc(src[i], dst[i] << SK_A32_SHIFT);
-                dst[i] = SkToU8(SkGetPackedA32(res));
-            }
-        } else {
-            for (int i = count - 1; i >= 0; --i) {
-                unsigned a = aa[i];
-                if (0 != a) {
-                    SkAlpha dstA = dst[i];
-                    SkPMColor res = proc(src[i], dstA << SK_A32_SHIFT);
-                    unsigned A = SkGetPackedA32(res);
-                    if (0xFF != a) {
-                        A = SkAlphaBlend(A, dstA, SkAlpha255To256(a));
-                    }
-                    dst[i] = SkToU8(A);
-                }
-            }
-        }
-    }
-}
-
-SkProcXfermode::SkProcXfermode(SkReadBuffer& buffer)
-        : SkXfermode(buffer) {
-    fProc = NULL;
-    if (!buffer.isCrossProcess()) {
-        fProc = (SkXfermodeProc)buffer.readFunctionPtr();
-    }
-}
-
-void SkProcXfermode::flatten(SkWriteBuffer& buffer) const {
-    this->INHERITED::flatten(buffer);
-    if (!buffer.isCrossProcess()) {
-        buffer.writeFunctionPtr((void*)fProc);
-    }
-}
-
-#ifndef SK_IGNORE_TO_STRING
-void SkProcXfermode::toString(SkString* str) const {
-    str->appendf("SkProcXfermode: %p", fProc);
-}
-#endif
-
-#endif
 //////////////////////////////////////////////////////////////////////////////
 
 #if SK_SUPPORT_GPU