Start BindStateBase ref count from 1 instead of 0

base/memory/ref_counted.cc

Index: base/memory/ref_counted.cc
diff --git a/base/memory/ref_counted.cc b/base/memory/ref_counted.cc
index 46bbd7ad858b152ec8a29d1b5060c24fb466be09..55f168fb94477ec09c8b69e79b0b0f2bec4391bc 100644
--- a/base/memory/ref_counted.cc
+++ b/base/memory/ref_counted.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "base/memory/ref_counted.h"
+
 #include "base/threading/thread_collision_warner.h"
 
 namespace base {
@@ -13,8 +14,6 @@ bool RefCountedThreadSafeBase::HasOneRef() const {
   return AtomicRefCountIsOne(&ref_count_);
 }
 
-RefCountedThreadSafeBase::RefCountedThreadSafeBase() = default;
-
 RefCountedThreadSafeBase::~RefCountedThreadSafeBase() {
 #if DCHECK_IS_ON()
   DCHECK(in_dtor_) << "RefCountedThreadSafe object deleted without "
@@ -25,6 +24,10 @@ RefCountedThreadSafeBase::~RefCountedThreadSafeBase() {
 void RefCountedThreadSafeBase::AddRef() const {
 #if DCHECK_IS_ON()
   DCHECK(!in_dtor_);
+  DCHECK(!needs_adopt_ref_)
+      << "This RefCounted object is created with non-zero reference count."
+      << " The first reference to such a object has to be made by AdoptRef or"
+      << " MakeShared.";
 #endif
   AtomicRefCountInc(&ref_count_);
 }