cc: Add base64 encoding to picture

cc/resources/picture.h

Index: cc/resources/picture.h
diff --git a/cc/resources/picture.h b/cc/resources/picture.h
index 8598fbf62b3c0a7ce983c9acd10737ef19e71d4a..276563e96a9b0fb7064a8e4786fbd4e251feb49d 100644
--- a/cc/resources/picture.h
+++ b/cc/resources/picture.h
@@ -6,6 +6,7 @@
 #define CC_RESOURCES_PICTURE_H_
 
 #include <list>
+#include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ -59,6 +60,9 @@ class CC_EXPORT Picture
       const gfx::Rect& layer_rect,
       std::list<skia::LazyPixelRef*>& pixel_ref_list);
 
+  void AsBase64String(std::string* output) const;
+  void SetPictureFromBase64String(const std::string& encoded);

[nduca, 2013/04/18 19:43:48]

Does this include set layer_rect and opaque_rect? Should it?

What if the SetPictureFromBase64String fails?

+
  private:
   explicit Picture(gfx::Rect layer_rect);
   // This constructor assumes SkPicture is already ref'd and transfers