Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/effects/SkMatrixConvolutionImageFilter.cpp

Index: src/effects/SkMatrixConvolutionImageFilter.cpp
diff --git a/src/effects/SkMatrixConvolutionImageFilter.cpp b/src/effects/SkMatrixConvolutionImageFilter.cpp
index cdcf66f6921ec939b42460301a5b7a94b58da36b..045f6a96d58cce817489badad9c3162e01c342b6 100644
--- a/src/effects/SkMatrixConvolutionImageFilter.cpp
+++ b/src/effects/SkMatrixConvolutionImageFilter.cpp
@@ -76,50 +76,6 @@ SkMatrixConvolutionImageFilter* SkMatrixConvolutionImageFilter::Create(
                                                        input, cropRect, uniqueID));
 }
 
-#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
-static bool tile_mode_is_valid(SkMatrixConvolutionImageFilter::TileMode tileMode) {
-    switch (tileMode) {
-        case SkMatrixConvolutionImageFilter::kClamp_TileMode:
-        case SkMatrixConvolutionImageFilter::kRepeat_TileMode:
-        case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode:
-            return true;
-        default:
-            break;
-    }
-    return false;
-}
-
-SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkReadBuffer& buffer)
-    : INHERITED(1, buffer) {
-    fKernelSize.fWidth = buffer.readInt();
-    fKernelSize.fHeight = buffer.readInt();
-    if ((fKernelSize.fWidth >= 1) && (fKernelSize.fHeight >= 1) &&
-        // Make sure size won't be larger than a signed int,
-        // which would still be extremely large for a kernel,
-        // but we don't impose a hard limit for kernel size
-        (gMaxKernelSize / fKernelSize.fWidth >= fKernelSize.fHeight)) {
-        size_t size = fKernelSize.fWidth * fKernelSize.fHeight;
-        fKernel = SkNEW_ARRAY(SkScalar, size);
-        SkDEBUGCODE(bool success =) buffer.readScalarArray(fKernel, size);
-        SkASSERT(success);
-    } else {
-        fKernel = 0;
-    }
-    fGain = buffer.readScalar();
-    fBias = buffer.readScalar();
-    fKernelOffset.fX = buffer.readInt();
-    fKernelOffset.fY = buffer.readInt();
-    fTileMode = (TileMode) buffer.readInt();
-    fConvolveAlpha = buffer.readBool();
-    buffer.validate((fKernel != 0) &&
-                    SkScalarIsFinite(fGain) &&
-                    SkScalarIsFinite(fBias) &&
-                    tile_mode_is_valid(fTileMode) &&
-                    (fKernelOffset.fX >= 0) && (fKernelOffset.fX < fKernelSize.fWidth) &&
-                    (fKernelOffset.fY >= 0) && (fKernelOffset.fY < fKernelSize.fHeight));
-}
-#endif
-
 SkFlattenable* SkMatrixConvolutionImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     SkISize kernelSize;