Revert "Revert "Start of rewrite of GrFragmentProcessor optimizations.""

This reverts commit 052fd5158f7f85e478a9f87c45fecaacf7d0f5f3.

Disables the test (of unused code) until platform-specific issues are addressed.

Change-Id: I7aa23a07954fccf382aa07d28afcbffb0bebcd6d
Reviewed-on: https://skia-review.googlesource.com/7656
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/effects/GrMatrixConvolutionEffect.cpp b/src/gpu/effects/GrMatrixConvolutionEffect.cpp
index 01fc6ce..9b670e1 100644
--- a/src/gpu/effects/GrMatrixConvolutionEffect.cpp
+++ b/src/gpu/effects/GrMatrixConvolutionEffect.cpp
@@ -156,12 +156,14 @@
                                                      const SkIPoint& kernelOffset,
                                                      GrTextureDomain::Mode tileMode,
                                                      bool convolveAlpha)
-  : INHERITED(texture, nullptr, SkMatrix::I()),
-    fKernelSize(kernelSize),
-    fGain(SkScalarToFloat(gain)),
-    fBias(SkScalarToFloat(bias) / 255.0f),
-    fConvolveAlpha(convolveAlpha),
-    fDomain(texture, GrTextureDomain::MakeTexelDomainForMode(bounds, tileMode), tileMode) {
+        // To advertise either the modulation or opaqueness optimizations we'd have to examine the
+        // parameters.
+        : INHERITED(texture, nullptr, SkMatrix::I(), kNone_OptimizationFlags)
+        , fKernelSize(kernelSize)
+        , fGain(SkScalarToFloat(gain))
+        , fBias(SkScalarToFloat(bias) / 255.0f)
+        , fConvolveAlpha(convolveAlpha)
+        , fDomain(texture, GrTextureDomain::MakeTexelDomainForMode(bounds, tileMode), tileMode) {
     this->initClassID<GrMatrixConvolutionEffect>();
     for (int i = 0; i < kernelSize.width() * kernelSize.height(); i++) {
         fKernel[i] = SkScalarToFloat(kernel[i]);