Revert of Pass clip to context

src/gpu/GrPipelineBuilder.cpp

Index: src/gpu/GrPipelineBuilder.cpp
diff --git a/src/gpu/GrPipelineBuilder.cpp b/src/gpu/GrPipelineBuilder.cpp
index 89bf15fe849dc5425b798e6a3ccd184692008639..faa20b1066177a6417dfc02887953745047aeb09 100644
--- a/src/gpu/GrPipelineBuilder.cpp
+++ b/src/gpu/GrPipelineBuilder.cpp
@@ -47,7 +47,7 @@
     return *this;
 }
 
-void GrPipelineBuilder::setFromPaint(const GrPaint& paint, GrRenderTarget* rt, const GrClip& clip) {
+void GrPipelineBuilder::setFromPaint(const GrPaint& paint, GrRenderTarget* rt, const GrClip* clip) {
     SkASSERT(0 == fBlockEffectRemovalCnt || 0 == this->numFragmentStages());
 
     fColorStages.reset();
@@ -70,7 +70,9 @@
     fStencilSettings.setDisabled();
     fFlagBits = 0;
 
-    fClip = clip;
+    if (clip) {
+        fClip = *clip;
+    }
 
     this->setState(GrPipelineBuilder::kDither_StateBit, paint.isDither());
     this->setState(GrPipelineBuilder::kHWAntialias_StateBit, paint.isAntiAlias());