Revert of Pass clip to context

src/effects/SkBlurMaskFilter.cpp

Index: src/effects/SkBlurMaskFilter.cpp
diff --git a/src/effects/SkBlurMaskFilter.cpp b/src/effects/SkBlurMaskFilter.cpp
index d7c874cfda999afe2b610f2b2dadcefc7a563ea0..ae4f756b257a717254c8e73abcfe3fc0b5f585dd 100644
--- a/src/effects/SkBlurMaskFilter.cpp
+++ b/src/effects/SkBlurMaskFilter.cpp
@@ -50,14 +50,12 @@
     virtual bool directFilterMaskGPU(GrContext* context,
                                      GrRenderTarget* rt,
                                      GrPaint* grp,
-                                     const GrClip&,
                                      const SkMatrix& viewMatrix,
                                      const SkStrokeRec& strokeRec,
                                      const SkPath& path) const SK_OVERRIDE;
     virtual bool directFilterRRectMaskGPU(GrContext* context,
                                           GrRenderTarget* rt,
                                           GrPaint* grp,
-                                          const GrClip&,
                                           const SkMatrix& viewMatrix,
                                           const SkStrokeRec& strokeRec,
                                           const SkRRect& rrect) const SK_OVERRIDE;
@@ -832,7 +830,6 @@
 bool SkBlurMaskFilterImpl::directFilterMaskGPU(GrContext* context,
                                                GrRenderTarget* rt,
                                                GrPaint* grp,
-                                               const GrClip& clip,
                                                const SkMatrix& viewMatrix,
                                                const SkStrokeRec& strokeRec,
                                                const SkPath& path) const {
@@ -866,7 +863,7 @@
     if (!viewMatrix.invert(&inverse)) {
         return false;
     }
-    context->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), rect, inverse);
+    context->drawNonAARectWithLocalMatrix(rt, *grp, SkMatrix::I(), rect, inverse);
     return true;
 }
 
@@ -1123,7 +1120,6 @@
 bool SkBlurMaskFilterImpl::directFilterRRectMaskGPU(GrContext* context,
                                                     GrRenderTarget* rt,
                                                     GrPaint* grp,
-                                                    const GrClip& clip,
                                                     const SkMatrix& viewMatrix,
                                                     const SkStrokeRec& strokeRec,
                                                     const SkRRect& rrect) const {
@@ -1152,7 +1148,7 @@
     if (!viewMatrix.invert(&inverse)) {
         return false;
     }
-    context->drawNonAARectWithLocalMatrix(rt, clip, *grp, SkMatrix::I(), proxy_rect, inverse);
+    context->drawNonAARectWithLocalMatrix(rt, *grp, SkMatrix::I(), proxy_rect, inverse);
     return true;
 }
 
@@ -1203,6 +1199,8 @@
     SkRect clipRect = SkRect::MakeWH(maskRect.width(), maskRect.height());
 
     GrContext* context = src->getContext();
+
+    GrContext::AutoWideOpenIdentityDraw awo(context);
 
     SkScalar xformedSigma = this->computeXformedSigma(ctm);
     SkASSERT(xformedSigma > 0);
@@ -1234,8 +1232,7 @@
             //             = 0 * src + (1 - src) * dst
             paint.setCoverageSetOpXPFactory(SkRegion::kDifference_Op);
         }
-        context->drawRect((*result)->asRenderTarget(), GrClip::WideOpen(), paint, SkMatrix::I(),
-                          clipRect);
+        context->drawRect((*result)->asRenderTarget(), paint, SkMatrix::I(), clipRect);
     }
 
     return true;