Staging for cleanup of SkPicture-related headers

https://codereview.chromium.org/243173002



git-svn-id: http://skia.googlecode.com/svn/trunk@14258 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SamplePictFile.cpp b/samplecode/SamplePictFile.cpp
index 59a7f4b..7b9584d 100644
--- a/samplecode/SamplePictFile.cpp
+++ b/samplecode/SamplePictFile.cpp
@@ -15,12 +15,10 @@
 #include "SkOSFile.h"
 #include "SkPath.h"
 #include "SkPicture.h"
-#include "SkQuadTreePicture.h"
+#include "SkPictureRecorder.h"
 #include "SkRandom.h"
 #include "SkRegion.h"
-#include "SkRTreePicture.h"
 #include "SkShader.h"
-#include "SkTileGridPicture.h"
 #include "SkUtils.h"
 #include "SkColorPriv.h"
 #include "SkColorFilter.h"