Revert of Move DstCopy on gpu into the GrXferProcessor. (patchset #11 id:200001 of https://codereview.chromium.org/885923002/)

Reason for revert:
Testing to see if reverting fixes 10.9 bots.

Original issue's description:
> Move DstCopy on gpu into the GrXferProcessor.
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/74a11753604768bf461b80cabb66060e8564d82c
>
> Committed: https://skia.googlesource.com/skia/+/5e1378d0e075a323144ba14e0a4cbcca35eccc69

TBR=joshualitt@google.com,egdaniel@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/901663007

1 files changed, 4 insertions, 14 deletions

diff --git a/src/gpu/gl/GrGLXferProcessor.h b/src/gpu/gl/GrGLXferProcessor.h
index 7f60f32fe5..5c92559031 100644
--- a/src/gpu/gl/GrGLXferProcessor.h
+++ b/src/gpu/gl/GrGLXferProcessor.h
@@ -11,7 +11,6 @@
 #include "GrGLProcessor.h"
 
 class GrGLXPBuilder;
-class GrXferProcessor;
 
 class GrGLXferProcessor {
 public:
@@ -47,25 +46,16 @@ public:
      * This is similar to emitCode() in the base class, except it takes a full shader builder.
      * This allows the effect subclass to emit vertex code.
      */
-    void emitCode(const EmitArgs&);
+    virtual void emitCode(const EmitArgs&) = 0;
 
     /** A GrGLXferProcessor instance can be reused with any GrGLXferProcessor that produces
         the same stage key; this function reads data from a GrGLXferProcessor and uploads any
         uniform variables required  by the shaders created in emitCode(). The GrXferProcessor
         parameter is guaranteed to be of the same type that created this GrGLXferProcessor and
-        to have an identical processor key as the one that created this GrGLXferProcessor. This
-        function calls onSetData on the subclass of GrGLXferProcessor
-     */
-    void setData(const GrGLProgramDataManager& pdm, const GrXferProcessor& xp);
-
+        to have an identical processor key as the one that created this GrGLXferProcessor.  */
+    virtual void setData(const GrGLProgramDataManager&,
+                         const GrXferProcessor&) = 0;
 private:
-    virtual void onEmitCode(const EmitArgs&) = 0;
-
-    virtual void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) = 0;
-
-    GrGLProgramDataManager::UniformHandle fDstCopyTopLeftUni;
-    GrGLProgramDataManager::UniformHandle fDstCopyScaleUni;
-
     typedef GrGLProcessor INHERITED;
 };
 #endif