Cleanup GPU gamut transformation code

src/gpu/glsl/GrGLSLProgramDataManager.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLSLProgramDataManager_DEFINED
 #define GrGLSLProgramDataManager_DEFINED
 
 #include "GrResourceHandle.h"
 #include "SkTypes.h"
 
 class SkMatrix;
+class SkMatrix44;
 
 /** Manages the resources used by a shader program.
  * The resources are objects the program uses to communicate with the
  * application code.
  */
 class GrGLSLProgramDataManager : SkNoncopyable {
 public:
     GR_DEFINE_RESOURCE_HANDLE_CLASS(UniformHandle);
 
     virtual ~GrGLSLProgramDataManager() {}
@@ skipping 16 matching lines @@
     virtual void setMatrix2f(UniformHandle, const float matrix[]) const = 0;
     virtual void setMatrix3f(UniformHandle, const float matrix[]) const = 0;
     virtual void setMatrix4f(UniformHandle, const float matrix[]) const = 0;
     virtual void setMatrix2fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
     virtual void setMatrix3fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
     virtual void setMatrix4fv(UniformHandle, int arrayCount, const float matrices[]) const = 0;
 
     // convenience method for uploading a SkMatrix to a 3x3 matrix uniform
     void setSkMatrix(UniformHandle, const SkMatrix&) const;
 
+    // convenience method for uploading a SkMatrix44 to a 4x4 matrix uniform
+    void setSkMatrix44(UniformHandle, const SkMatrix44&) const;
+
     // for nvpr only
     GR_DEFINE_RESOURCE_HANDLE_CLASS(VaryingHandle);
     virtual void setPathFragmentInputTransform(VaryingHandle u, int components,
                                                const SkMatrix& matrix) const = 0;
 
 protected:
     GrGLSLProgramDataManager() {}
 
 private:
     typedef SkNoncopyable INHERITED;
 };
 
 #endif