Initial refactor of shaderbuilder

src/gpu/gl/builders/GrGLShaderStringBuilder.h

+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrGLShaderStringBuilder_DEFINED
+#define GrGLShaderStringBuilder_DEFINED
+
+#include "GrAllocator.h"
+#include "gl/GrGLContext.h"
+#include "SkTypes.h"
+
+GrGLuint GrGLCompileAndAttachShader(const GrGLContext& glCtx,
+                                    GrGLuint programId,
+                                    GrGLenum type,
+                                    const SkString& shaderSrc);
+
+#endif