Implement clone for 6 additional GrFragmentProcessor subclasses.

GrMagnifierEffect
GrMorphologyEffect
GrBicubicEffect
GrGaussianConvolutionFragmentProcessor
GrMatrixConvolutionEffect
GrTextureDomainEffect

Bug: skia:
Change-Id: I69721b9b95346b365723e5ee21dff2dee8884466
Reviewed-on: https://skia-review.googlesource.com/27900
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/effects/GrTextureDomain.cpp b/src/gpu/effects/GrTextureDomain.cpp
index e26ea67..fa56058 100644
--- a/src/gpu/effects/GrTextureDomain.cpp
+++ b/src/gpu/effects/GrTextureDomain.cpp
@@ -242,6 +242,17 @@
     this->addTextureSampler(&fTextureSampler);
 }
 
+GrTextureDomainEffect::GrTextureDomainEffect(const GrTextureDomainEffect& that)
+        : INHERITED(that.optimizationFlags())
+        , fCoordTransform(that.fCoordTransform)
+        , fTextureDomain(that.fTextureDomain)
+        , fTextureSampler(that.fTextureSampler)
+        , fColorSpaceXform(that.fColorSpaceXform) {
+    this->initClassID<GrTextureDomainEffect>();
+    this->addCoordTransform(&fCoordTransform);
+    this->addTextureSampler(&fTextureSampler);
+}
+
 void GrTextureDomainEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps,
                                                   GrProcessorKeyBuilder* b) const {
     b->add32(GrTextureDomain::GLDomain::DomainKey(fTextureDomain));