Fix heapcheck errors

content/browser/streams/stream.cc

Index: content/browser/streams/stream.cc
diff --git a/content/browser/streams/stream.cc b/content/browser/streams/stream.cc
index 0efec1349e4cca6b5a75ae68ecf07fa361ca67fb..e72a8872dc541270aa99a6e637cab2dbead7dbaf 100644
--- a/content/browser/streams/stream.cc
+++ b/content/browser/streams/stream.cc
@@ -29,7 +29,8 @@ Stream::Stream(StreamRegistry* registry,
       data_length_(0),
       registry_(registry),
       read_observer_(NULL),
-      write_observer_(write_observer) {
+      write_observer_(write_observer),
+      weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
   CreateByteStream(base::MessageLoopProxy::current(),
                    base::MessageLoopProxy::current(),
                    kDeferSizeThreshold,
@@ -37,8 +38,10 @@ Stream::Stream(StreamRegistry* registry,
                    &reader_);
 
   // Setup callback for writing.
-  writer_->RegisterCallback(base::Bind(&Stream::OnSpaceAvailable, this));
-  reader_->RegisterCallback(base::Bind(&Stream::OnDataAvailable, this));
+  writer_->RegisterCallback(base::Bind(&Stream::OnSpaceAvailable,
+                                       weak_ptr_factory_.GetWeakPtr()));
+  reader_->RegisterCallback(base::Bind(&Stream::OnDataAvailable,
+                                       weak_ptr_factory_.GetWeakPtr()));
 
   registry_->RegisterStream(this);
 }