Make output path to render_pictures optional
Review URL: https://codereview.appspot.com/6779049
git-svn-id: http://skia.googlecode.com/svn/trunk@6136 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/PictureRenderer.h b/tools/PictureRenderer.h
index 4829e1d..5d32203 100644
--- a/tools/PictureRenderer.h
+++ b/tools/PictureRenderer.h
@@ -50,7 +50,8 @@
* If path is non-null, subclass implementations should call write().
* @param path If non-null, also write the output to the file specified by path. path should
* have no extension; it will be added by write().
- * @return bool True if path is non-null and the output is successfully written to a file.
+ * @return bool True if rendering succeeded and, if path is non-null, the output was
+ * successfully written to a file.
*/
virtual bool render(const SkString* path) = 0;