Staged removal of SkPicture-derived classes

This CL removes the SkPicture-derived classes (with a flag to keeps clients working). In the process it also lightens the recording factory function so it is no longer ref counted).

The only interesting bits are in SkPicture* and Sk*Picture.*

R=reed@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/238273012

git-svn-id: http://skia.googlecode.com/svn/trunk@14251 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/pictureshader.cpp b/gm/pictureshader.cpp
index 51ce0b1..8889a0c 100644
--- a/gm/pictureshader.cpp
+++ b/gm/pictureshader.cpp
@@ -33,7 +33,8 @@
         // Build the picture.
         SkPictureRecorder recorder;
         SkCanvas* pictureCanvas = recorder.beginRecording(SkScalarRoundToInt(tileSize),
-                                                          SkScalarRoundToInt(tileSize));
+                                                          SkScalarRoundToInt(tileSize),
+                                                          NULL, 0);
         this->drawTile(pictureCanvas);
         SkAutoTUnref<SkPicture> p(recorder.endRecording());