Add version string and force highp NDS transfrom to GLSLCaps

src/gpu/gl/GrGLGLSL.h

Index: src/gpu/gl/GrGLGLSL.h
diff --git a/src/gpu/gl/GrGLGLSL.h b/src/gpu/gl/GrGLGLSL.h
index 724765f1a8a5dfe917817b0111f8a49e0387aa5c..fa2b6ae153988cd9551692d6faa4affc1bd10fa2 100755
--- a/src/gpu/gl/GrGLGLSL.h
+++ b/src/gpu/gl/GrGLGLSL.h
@@ -22,12 +22,6 @@ class GrGLContextInfo;
 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);