Added SetLayerTransform to PPAPI

ppapi/api/ppb_graphics_2d.idl

Index: ppapi/api/ppb_graphics_2d.idl
diff --git a/ppapi/api/ppb_graphics_2d.idl b/ppapi/api/ppb_graphics_2d.idl
index 56450f0c29d51ece6b0fb920c95aa067bb2febd5..f6d802f212ee8989a1889ba50a1f64ba41bc311d 100644
--- a/ppapi/api/ppb_graphics_2d.idl
+++ b/ppapi/api/ppb_graphics_2d.idl
@@ -12,7 +12,8 @@
 
 label Chrome {
   M14 = 1.0,
-  M27 = 1.1
+  M27 = 1.1,
+  M52 = 1.2
 };
 
 /**
@@ -70,7 +71,8 @@ interface PPB_Graphics2D {
    * will be painted.
    *
    * @return Returns <code>PP_TRUE</code> on success or <code>PP_FALSE</code> if
-   * the resource is invalid. The output parameters will be set to 0 on a
+   * theomments + 1 draft	Download
+   * M	resource is invalid. The output parameters will be set to 0 on a

[piman, 2016/04/15 20:12:28]

bad copy & paste?

[alessandroa, 2016/04/21 15:39:22]

Done.

    * <code>PP_FALSE</code>.
    */
   [always_set_output_parameters]
@@ -125,6 +127,8 @@ interface PPB_Graphics2D {
       [in] PP_Rect src_rect);
 
   /**
+  mments + 1 draft	Download
+  M	

[piman, 2016/04/15 20:12:28]

same?

[alessandroa, 2016/04/21 15:39:22]

Done.

    * Scroll() enqueues a scroll of the context's backing store. This
    * function has no effect until you call Flush(). The data within the
    * provided clipping rectangle will be shifted by (dx, dy) pixels.
@@ -282,5 +286,24 @@ interface PPB_Graphics2D {
   float_t GetScale(
       [in] PP_Resource resource);
 
+  /**
+   * SetLayerTransform() sets a transformation factor that will be applied for
+   * the current graphics context displayed on the output device.  If both
+   * SetScale and SetLayerTransform will be used, they are going to get combined
+   * for the final result.
+   * This function has no effect until you call Flush().
+   * @param[in] scale The scale to be applied.
+   * @param[in] origin The origin of the scale.
+   * @param[in] translate The translation to be applied.
+   *
+   * @return Returns <code>PP_TRUE</code> on success or <code>PP_FALSE</code>
+   * if the resource is invalid or the scale factor is 0 or less.
+   */
+  [version=1.2]
+  PP_Bool SetLayerTransform(
+      [in] PP_Resource resource,
+      [in] float_t scale,
+      [in] PP_Point origin,
+      [in] PP_Point translate);
 };