base: Make RefCountedBytes::TakeVector return ref ptr instead of raw ptr

base/memory/ref_counted_memory.h

Index: base/memory/ref_counted_memory.h
diff --git a/base/memory/ref_counted_memory.h b/base/memory/ref_counted_memory.h
index f37a86011af9f92063200b89e6105b6528f30c18..aa22c9e525bc5b72a32289f54db8dd7764facf6b 100644
--- a/base/memory/ref_counted_memory.h
+++ b/base/memory/ref_counted_memory.h
@@ -81,7 +81,8 @@ class BASE_EXPORT RefCountedBytes : public RefCountedMemory {
   // Constructs a RefCountedBytes object by performing a swap. (To non
   // destructively build a RefCountedBytes, use the constructor that takes a
   // vector.)
-  static RefCountedBytes* TakeVector(std::vector<unsigned char>* to_destroy);
+  static scoped_refptr<RefCountedBytes> TakeVector(
+      std::vector<unsigned char>* to_destroy);
 
   // Overridden from RefCountedMemory:
   const unsigned char* front() const override;