Add support for 2x2 matrices

src/gpu/glsl/GrGLSLProgramDataManager.h

Index: src/gpu/glsl/GrGLSLProgramDataManager.h
diff --git a/src/gpu/glsl/GrGLSLProgramDataManager.h b/src/gpu/glsl/GrGLSLProgramDataManager.h
index b059d4665fd3c1e345ed75d8507975e295e62ae2..e578e11808868163ce18c41e0093601f78d025bf 100644
--- a/src/gpu/glsl/GrGLSLProgramDataManager.h
+++ b/src/gpu/glsl/GrGLSLProgramDataManager.h
@@ -56,8 +56,10 @@ public:
     virtual void set4fv(UniformHandle, int arrayCount, const float v[]) const = 0;
     // matrices are column-major, the first three upload a single matrix, the latter three upload
     // arrayCount matrices into a uniform array.
+    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;