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/samplecode/SampleAll.cpp b/samplecode/SampleAll.cpp
index 79c6c36..4f4116b 100644
--- a/samplecode/SampleAll.cpp
+++ b/samplecode/SampleAll.cpp
@@ -308,7 +308,7 @@
         {
             SkPictureRecorder recorder;
             {
-                SkCanvas* record = recorder.beginRecording(320, 480);
+                SkCanvas* record = recorder.beginRecording(320, 480, NULL, 0);
                 this->drawPicture(record, 120);
             }
             SkAutoTUnref<SkPicture> picture(recorder.endRecording());