Remove reliance on linked in GL functions for assembling GLES interfaces

src/gpu/gl/GrGLAssembleInterface.h

Index: src/gpu/gl/GrGLAssembleInterface.h
diff --git a/src/gpu/gl/GrGLAssembleInterface.h b/src/gpu/gl/GrGLAssembleInterface.h
index 36a4513447497e8cc065722eb28ebb54df6cc88d..aa0fbcadd581987e89b576c43bc51452be50d8cb 100644
--- a/src/gpu/gl/GrGLAssembleInterface.h
+++ b/src/gpu/gl/GrGLAssembleInterface.h
@@ -11,8 +11,22 @@
 typedef void(*GrGLFuncPtr)();
 typedef GrGLFuncPtr (*GrGLGetProc)(void* ctx, const char name[]);
 
+
+/**
+ * Generic function for creating a GrGLInterface for an either OpenGL or GLES. It calls
+ * get() to get each function address. ctx is a generic ptr passed to and interpreted by get().
+ */
+const GrGLInterface* GrGLAssembleInterface(void* ctx, GrGLGetProc get);
+
 /**
  * Generic function for creating a GrGLInterface for an OpenGL (but not GLES) context. It calls
  * get() to get each function address. ctx is a generic ptr passed to and interpreted by get().
  */
 const GrGLInterface* GrGLAssembleGLInterface(void* ctx, GrGLGetProc get);
+
+/**
+ * Generic function for creating a GrGLInterface for an OpenGL ES (but not Open GL) context. It
+ * calls get() to get each function address. ctx is a generic ptr passed to and interpreted by
+ * get().
+ */
+const GrGLInterface* GrGLAssembleGLESInterface(void* ctx, GrGLGetProc get);