Move GrInvariantOutput out of GrProcessor and into its own class.

src/gpu/effects/GrTextureDomain.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTextureDomainEffect_DEFINED
 #define GrTextureDomainEffect_DEFINED
 
 #include "GrSingleTextureEffect.h"
 #include "gl/GrGLProcessor.h"
 
 class GrGLProgramBuilder;
 class GrGLShaderBuilder;
+class GrInvariantOutput;
 struct SkRect;
 
 /**
  * Limits a texture's lookup coordinates to a domain. Samples outside the domain are either clamped
  * the edge of the domain or result in a vec4 of zeros (decal mode). The domain is clipped to
  * normalized texture coords ([0,1]x[0,1] square). Bilinear filtering can cause texels outside the
  * domain to affect the read value unless the caller considers this when calculating the domain.
  */
 class GrTextureDomain {
 public:
@@ skipping 142 matching lines @@
 private:
     GrTextureDomainEffect(GrTexture*,
                           const SkMatrix&,
                           const SkRect& domain,
                           GrTextureDomain::Mode,
                           GrTextureParams::FilterMode,
                           GrCoordSet);
 
     virtual bool onIsEqual(const GrFragmentProcessor&) const SK_OVERRIDE;
 
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE;
+    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrSingleTextureEffect INHERITED;
 };
 
 #endif