Implement SkPicture::bytesUsed() for SkRecord backend

src/core/SkRTree.cpp

Index: src/core/SkRTree.cpp
diff --git a/src/core/SkRTree.cpp b/src/core/SkRTree.cpp
index 3985fb12859280f187774764df704ba1d0d51e07..c15dce5693c84c4d238fb73e72920639b03e295a 100644
--- a/src/core/SkRTree.cpp
+++ b/src/core/SkRTree.cpp
@@ -447,6 +447,15 @@ void SkRTree::rewindInserts() {
     }
 }
 
+size_t SkRTree::bytesUsed() const {
+    size_t byteCount = sizeof(SkRTree);
+
+    byteCount += fNodes.totalCapacity();
+    byteCount += fDeferredInserts.reserved() * sizeof(Branch);

[mtklein, 2014/11/17 20:19:32]

There probably isn't an fDeferredInserts any more.

+
+    return byteCount;
+}
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 static inline uint32_t get_area(const SkIRect& rect) {