Revert "Some scissor state cleanup."

This reverts commit a219419c9d76432dca74494b611ff1f59086d139.

Reason for revert: breaking things
Original change's description:
> Some scissor state cleanup.
> 
> Separate flushing the enablement of scissor from the rect in GrGLGpu.
> 
> Move GrPipeline::ScissorState to a global enum and use more broadly.
> Rename to GrScissorTest to avoid name conflict with existing
> GrScissorState.
> 
> Change-Id: Ib32160b3300bc12de2d2e1761d152fd1bba8b683
> Reviewed-on: https://skia-review.googlesource.com/137395
> Commit-Queue: Brian Salomon <bsalomon@google.com>
> Reviewed-by: Chris Dalton <csmartdalton@google.com>

TBR=bsalomon@google.com,csmartdalton@google.com

Change-Id: If71a5c5efc86d4239b40675bad2a6cb1f77460f8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/138900
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/ccpr/GrCCPathParser.cpp b/src/gpu/ccpr/GrCCPathParser.cpp
index d013b57..1935385 100644
--- a/src/gpu/ccpr/GrCCPathParser.cpp
+++ b/src/gpu/ccpr/GrCCPathParser.cpp
@@ -530,7 +530,7 @@
 
     const PrimitiveTallies& batchTotalCounts = fCoverageCountBatches[batchID].fTotalPrimitiveCounts;
 
-    GrPipeline pipeline(flushState->drawOpArgs().fProxy, GrScissorTest::kEnabled,
+    GrPipeline pipeline(flushState->drawOpArgs().fProxy, GrPipeline::ScissorState::kEnabled,
                         SkBlendMode::kPlus);
 
     if (batchTotalCounts.fTriangles) {
@@ -564,7 +564,7 @@
                                     GrCCCoverageProcessor::PrimitiveType primitiveType,
                                     int PrimitiveTallies::*instanceType,
                                     const SkIRect& drawBounds) const {
-    SkASSERT(pipeline.scissorTest() == GrScissorTest::kEnabled);
+    SkASSERT(pipeline.isScissorEnabled());
 
     // Don't call reset(), as that also resets the reserve count.
     fMeshesScratchBuffer.pop_back_n(fMeshesScratchBuffer.count());