Remove array of TextureSampler pointers from GrIOResourceProcessor.

Instead store sampler count on base class and subclasses implement a
virtual to get the ith sampler.

Change-Id: I13e2447a6467a09761d8615acb4aa360b87b1476
Reviewed-on: https://skia-review.googlesource.com/141563
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/ccpr/GrCCClipProcessor.h b/src/gpu/ccpr/GrCCClipProcessor.h
index 8c670e1..802f337 100644
--- a/src/gpu/ccpr/GrCCClipProcessor.h
+++ b/src/gpu/ccpr/GrCCClipProcessor.h
@@ -26,6 +26,7 @@
     void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override;
     bool onIsEqual(const GrFragmentProcessor&) const override;
     GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;
+    const TextureSampler& onTextureSampler(int) const override { return fAtlasAccess; }
 
 private:
     const GrCCClipPath* const fClipPath;