Create GLSL base class for ProgramDataManager

BUG=skia:

Review URL: https://codereview.chromium.org/1428543003
diff --git a/src/gpu/effects/GrPorterDuffXferProcessor.cpp b/src/gpu/effects/GrPorterDuffXferProcessor.cpp
index e31ff65..a7f390a 100644
--- a/src/gpu/effects/GrPorterDuffXferProcessor.cpp
+++ b/src/gpu/effects/GrPorterDuffXferProcessor.cpp
@@ -17,6 +17,7 @@
 #include "gl/GrGLXferProcessor.h"
 #include "gl/builders/GrGLFragmentShaderBuilder.h"
 #include "gl/builders/GrGLProgramBuilder.h"
+#include "glsl/GrGLSLProgramDataManager.h"
 
 /**
  * Wraps the shader outputs and HW blend state that comprise a Porter Duff blend mode with coverage.
@@ -450,7 +451,7 @@
                             args.fOutputPrimary, args.fInputColor, args.fInputCoverage);
     }
 
-    void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) override {}
+    void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {}
 
     typedef GrGLXferProcessor INHERITED;
 };
@@ -550,7 +551,7 @@
         GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.getXfermode());
     }
 
-    void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) override {}
+    void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {}
 
     typedef GrGLXferProcessor INHERITED;
 };
@@ -628,7 +629,7 @@
                                args.fInputCoverage);
     }
 
-    void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) override {};
+    void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) override {};
 
     typedef GrGLXferProcessor INHERITED;
 };