Revert of Dependencies are now added between the drawTargets in GrPipeline (patchset #6 id:120001 of https://codereview.chromium.org/1414903002/ )

Reason for revert:
Breaking bots

Original issue's description:
> Dependencies are now added between the drawTargets in GrPipeline
>
> This CL relies on https://codereview.chromium.org/1414773002/ (Add the machinery to GrDrawTarget to enable topological sorting)
>
> BUG=skia:4094
>
> Committed: https://skia.googlesource.com/skia/+/45a1c34f607a970933e5cd05e1df6cd8090db1be
>
> Committed: https://skia.googlesource.com/skia/+/869c5e82a725a6928a45cd1fa6945ac783b8b3d8

TBR=bsalomon@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4094

Review URL: https://codereview.chromium.org/1417263002

1 files changed, 1 insertions, 8 deletions

diff --git a/src/gpu/GrDrawTarget.h b/src/gpu/GrDrawTarget.h
index abeedd66d2..ec94da1f0e 100644
--- a/src/gpu/GrDrawTarget.h
+++ b/src/gpu/GrDrawTarget.h
@@ -33,8 +33,6 @@
 #include "SkTypes.h"
 #include "SkXfermode.h"
 
-//#define ENABLE_MDB 1
-
 class GrBatch;
 class GrBatchFlushState;
 class GrClip;
@@ -47,7 +45,7 @@ class GrDrawTarget final : public SkRefCnt {
 public:
     // The context may not be fully constructed and should not be used during GrDrawTarget
     // construction.
-    GrDrawTarget(GrRenderTarget* rt, GrGpu* gpu, GrResourceProvider*);
+    GrDrawTarget(GrGpu* gpu, GrResourceProvider*);
 
     ~GrDrawTarget() override;
 
@@ -60,10 +58,6 @@ public:
     }
     bool isClosed() const { return this->isSetFlag(kClosed_Flag); }
 
-    // TODO: this entry point is only needed in the non-MDB world. Remove when
-    // we make the switch to MDB
-    void clearRT() { fRenderTarget = nullptr; }
-
     /*
      * Notify this drawTarget that it relies on the contents of 'dependedOn'
      */
@@ -320,7 +314,6 @@ private:
 
     // 'this' drawTarget relies on the output of the drawTargets in 'fDependencies'
     SkTDArray<GrDrawTarget*>                    fDependencies;
-    GrRenderTarget*                             fRenderTarget;
 
     typedef SkRefCnt INHERITED;
 };