In image filters, apply the CTM and offset to the crop rect. This is necessary to compensate for bo…

src/effects/SkMagnifierImageFilter.cpp

Index: src/effects/SkMagnifierImageFilter.cpp
diff --git a/src/effects/SkMagnifierImageFilter.cpp b/src/effects/SkMagnifierImageFilter.cpp
index a747620484069ce7bd1d742b7753ba0a0e554cba..aa91b1c9804e20f68059e6bf125b048d925a6c9b 100644
--- a/src/effects/SkMagnifierImageFilter.cpp
+++ b/src/effects/SkMagnifierImageFilter.cpp
@@ -215,7 +215,7 @@ GrEffectRef* GrMagnifierEffect::TestCreate(SkMWCRandom* random,
                                  SkIntToScalar(width), SkIntToScalar(height)),
                 inset));
     GrEffectRef* effect;
-    filter->asNewEffect(&effect, textures[0], SkIPoint::Make(0, 0));
+    filter->asNewEffect(&effect, textures[0], SkMatrix::I());
     SkASSERT(NULL != effect);
     return effect;
 }
@@ -261,7 +261,7 @@ SkMagnifierImageFilter::SkMagnifierImageFilter(SkRect srcRect, SkScalar inset)
 }
 
 #if SK_SUPPORT_GPU
-bool SkMagnifierImageFilter::asNewEffect(GrEffectRef** effect, GrTexture* texture, const SkIPoint&) const {
+bool SkMagnifierImageFilter::asNewEffect(GrEffectRef** effect, GrTexture* texture, const SkMatrix&) const {
     if (effect) {
         *effect = GrMagnifierEffect::Create(texture,
                                             fSrcRect.x() / texture->width(),