cc: Add PictureLayerImpl::AsValue

cc/layer_impl.h

Index: cc/layer_impl.h
diff --git a/cc/layer_impl.h b/cc/layer_impl.h
index 5e0e32d02cde74620310bf8adb4275ad53fa1c07..c168964384d33eeb33817a2bab2b9105d4c4e8ea 100644
--- a/cc/layer_impl.h
+++ b/cc/layer_impl.h
@@ -9,6 +9,7 @@
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/values.h"
 #include "cc/cc_export.h"
 #include "cc/draw_properties.h"
 #include "cc/input_handler.h"
@@ -309,6 +310,8 @@ public:
     virtual scoped_ptr<LayerImpl> createLayerImpl(LayerTreeImpl*);
     virtual void pushPropertiesTo(LayerImpl*);
 
+    virtual scoped_ptr<base::Value> AsValue() const;
+
 protected:
     LayerImpl(LayerTreeImpl* layerImpl, int);
 
@@ -320,6 +323,8 @@ protected:
     virtual void dumpLayerProperties(std::string*, int indent) const;
     static std::string indentString(int indent);
 
+    void AsValueInto(base::DictionaryValue* dict) const;
+
 private:
     void updateScrollbarPositions();