Added SetLayerTransform to PPAPI

ppapi/api/ppb_graphics_2d.idl

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /**
  * Defines the <code>PPB_Graphics2D</code> struct representing a 2D graphics
  * context within the browser.
  */
 
@@ skipping 263 matching lines @@
    * graphics context onto the output device.
    *
    * @param[in] resource A <code>Graphics2D</code> context resource.
    *
    * @return Returns the scale factor for the graphics context. If the resource
    * is not a valid <code>Graphics2D</code> context, this will return 0.0.
    */
   [version=1.1]
   float_t GetScale(
       [in] PP_Resource resource);
-
+  [version=1.1]
+  PP_Bool SetLayerTransform(
+      [in] PP_Resource resource,
+      [in] float_t Scale,
+      [in] PP_Point Origin,
+      [in] PP_Point Transform);
 };