Initial change to create GeometryProcessor

BUG=skia:
R=bsalomon@google.com, robertphillips@google.com, egdaniel@google.com, jvanverth@google.com

Author: joshualitt@chromium.org

Review URL: https://codereview.chromium.org/509153002
diff --git a/src/gpu/gl/GrGLProgramEffects.h b/src/gpu/gl/GrGLProgramEffects.h
index 0eaff53..daaebd6 100644
--- a/src/gpu/gl/GrGLProgramEffects.h
+++ b/src/gpu/gl/GrGLProgramEffects.h
@@ -57,6 +57,11 @@
                          const GrGLProgramDataManager&,
                          const GrEffectStage* effectStages[]) = 0;
 
+    virtual void setData(GrGpuGL*,
+                         GrGpu::DrawType,
+                         const GrGLProgramDataManager&,
+                         const GrEffectStage* effectStages) { SkFAIL("DO NOT USE"); }
+
     void addEffect(GrGLEffect* effect) { fGLEffects.push_back(effect); }
 
     /**
@@ -140,7 +145,6 @@
     SkTArray<SkSTArray<4, Sampler, true> > fSamplers;
 
 private:
-    friend class GrGLFragmentO;
     typedef SkRefCnt INHERITED;
 };
 
@@ -172,6 +176,11 @@
                          const GrGLProgramDataManager&,
                          const GrEffectStage* effectStages[]) SK_OVERRIDE;
 
+    virtual void setData(GrGpuGL*,
+                         GrGpu::DrawType,
+                         const GrGLProgramDataManager&,
+                         const GrEffectStage* effectStages) SK_OVERRIDE;
+
 private:
     friend class GrGLFullProgramBuilder;