Move ol.render.canvas.Instruction to its own file

src/ol/render/canvas/replay.js

@@ -22,30 +22,11 @@ goog.require('ol.obj');
 goog.require('ol.render.ReplayGroup');
 goog.require('ol.render.VectorContext');
 goog.require('ol.render.canvas');
+goog.require('ol.render.canvas.Instruction');
 goog.require('ol.render.replay');
 goog.require('ol.transform');
 
 
-/**
- * @enum {number}
- */
-ol.render.canvas.Instruction = {
-  BEGIN_GEOMETRY: 0,
-  BEGIN_PATH: 1,
-  CIRCLE: 2,
-  CLOSE_PATH: 3,
-  DRAW_IMAGE: 4,
-  DRAW_TEXT: 5,
-  END_GEOMETRY: 6,
-  FILL: 7,
-  MOVE_TO_LINE_TO: 8,
-  SET_FILL_STYLE: 9,
-  SET_STROKE_STYLE: 10,
-  SET_TEXT_STYLE: 11,
-  STROKE: 12
-};
-
-
 /**
  * @constructor
  * @extends {ol.render.VectorContext}