Add version string and force highp NDS transfrom to GLSLCaps

src/gpu/gl/GrGLGLSL.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLInitGLSL_DEFINED
 #define GrGLInitGLSL_DEFINED
 
 #include "gl/GrGLInterface.h"
 #include "glsl/GrGLSL.h"
 #include "GrColor.h"
 #include "GrTypesPriv.h"
 #include "SkString.h"
 
 class GrGLContextInfo;
 
 /**
  * Gets the most recent GLSL Generation compatible with the OpenGL context.
  */
 bool GrGLGetGLSLGeneration(const GrGLInterface* gl, GrGLSLGeneration* generation);
 
 /**
- * Returns a string to include at the beginning of a shader to declare the GLSL
- * version.
- */
-const char* GrGLGetGLSLVersionDecl(const GrGLContextInfo&);
-
-/**
  * Adds a line of GLSL code to declare the default precision for float types.
  */
 void GrGLAppendGLSLDefaultFloatPrecisionDeclaration(GrSLPrecision, GrGLStandard, SkString* out);
 
 
 #endif