Revert of Support GLSL es 3.00

src/gpu/gl/GrGLSL.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 GrGLSL_DEFINED
 #define GrGLSL_DEFINED
 
@@ skipping 17 matching lines @@
      */
     k130_GrGLSLGeneration,
     /**
      * Desktop GLSL 1.40
      */
     k140_GrGLSLGeneration,
     /**
      * Desktop GLSL 1.50
      */
     k150_GrGLSLGeneration,
-    /**
-     * Desktop GLSL 3.30, and ES GLSL 3.00
-     */
-    k330_GrGLSLGeneration,
-    /**
-     * ES GLSL 3.10 only TODO Make GLSLCap objects to make this more granular
-     */
-    k310es_GrGLSLGeneration,
 };
 
 /**
  * Gets the most recent GLSL Generation compatible with the OpenGL context.
  */
 bool GrGetGLSLGeneration(const GrGLInterface* gl, GrGLSLGeneration* generation);
 
 /**
  * Returns a string to include at the beginning of a shader to declare the GLSL
  * version.
@@ skipping 262 matching lines @@
 
 /**
  * Does an inplace mul, *=, of vec4VarName by mulFactor.
  * A semicolon is added after the assignment.
  */
 void GrGLSLMulVarBy4f(SkString* outAppend, const char* vec4VarName, const GrGLSLExpr4& mulFactor);
 
 #include "GrGLSL_impl.h"
 
 #endif