remove view matrix from context

src/effects/SkMorphologyImageFilter.cpp

Index: src/effects/SkMorphologyImageFilter.cpp
diff --git a/src/effects/SkMorphologyImageFilter.cpp b/src/effects/SkMorphologyImageFilter.cpp
index 4b64ca9e478218d62d6068c92cdb3980599559db..b8853c7356111a74e01ea9880248149bea6aa13e 100644
--- a/src/effects/SkMorphologyImageFilter.cpp
+++ b/src/effects/SkMorphologyImageFilter.cpp
@@ -482,7 +482,8 @@ void apply_morphology_pass(GrContext* context,
                                                        direction,
                                                        radius,
                                                        morphType))->unref();
-    context->drawRectToRect(paint, SkRect::Make(dstRect), SkRect::Make(srcRect));
+    context->drawRectToRect(paint, SkMatrix::I(), SkRect::Make(dstRect),
+                            SkRect::Make(srcRect));
 }
 
 bool apply_morphology(const SkBitmap& input,
@@ -494,9 +495,6 @@ bool apply_morphology(const SkBitmap& input,
     SkASSERT(srcTexture);
     GrContext* context = srcTexture->getContext();
 
-    GrContext::AutoMatrix am;
-    am.setIdentity(context);
-
     GrContext::AutoClip acs(context, SkRect::MakeWH(SkIntToScalar(srcTexture->width()),
                                                     SkIntToScalar(srcTexture->height())));