Revert of Move DOMArrayBuffer, DOMArrayBufferViews and DataView to the heap.

third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp

Index: third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp
diff --git a/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp b/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp
index 7d76e5dcc1e0dd1a7c516dcc41b3b92523bd8c48..1a34791f59f73b7a196bf1effd58fcdae30d60d6 100644
--- a/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp
+++ b/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp
@@ -20,11 +20,13 @@
 
 namespace {
 
-DOMDataView* ConvertWebVectorToDataView(const WebVector<uint8_t>& webVector)
+PassRefPtr<DOMDataView> ConvertWebVectorToDataView(
+    const WebVector<uint8_t>& webVector)
 {
     static_assert(sizeof(*webVector.data()) == 1, "uint8_t should be a single byte");
-    DOMArrayBuffer* domBuffer = DOMArrayBuffer::create(webVector.data(), webVector.size());
-    return DOMDataView::create(domBuffer, 0, webVector.size());
+    RefPtr<DOMArrayBuffer> domBuffer = DOMArrayBuffer::create(webVector.data(), webVector.size());
+    RefPtr<DOMDataView> domDataView = DOMDataView::create(domBuffer, 0, webVector.size());
+    return domDataView;
 }
 
 } // anonymous namespace
@@ -50,7 +52,8 @@
     return characteristic;
 }
 
-void BluetoothRemoteGATTCharacteristic::setValue(DOMDataView* domDataView)
+void BluetoothRemoteGATTCharacteristic::setValue(
+    const PassRefPtr<DOMDataView>& domDataView)
 {
     m_value = domDataView;
 }
@@ -58,7 +61,8 @@
 void BluetoothRemoteGATTCharacteristic::dispatchCharacteristicValueChanged(
     const WebVector<uint8_t>& value)
 {
-    this->setValue(ConvertWebVectorToDataView(value));
+    RefPtr<DOMDataView> domDataView = ConvertWebVectorToDataView(value);
+    this->setValue(domDataView);
     dispatchEvent(Event::create(EventTypeNames::characteristicvaluechanged));
 }
 
@@ -111,10 +115,10 @@
         if (!m_resolver->getExecutionContext() || m_resolver->getExecutionContext()->activeDOMObjectsAreStopped())
             return;
 
-        DOMDataView* domDataView = ConvertWebVectorToDataView(value);
-        if (m_webCharacteristic)
+        RefPtr<DOMDataView> domDataView = ConvertWebVectorToDataView(value);
+        if (m_webCharacteristic) {
             m_webCharacteristic->setValue(domDataView);
-
+        }
         m_resolver->resolve(domDataView);
     }
 
@@ -211,10 +215,9 @@
 
 DEFINE_TRACE(BluetoothRemoteGATTCharacteristic)
 {
-    visitor->trace(m_properties);
-    visitor->trace(m_value);
     RefCountedGarbageCollectedEventTargetWithInlineData<BluetoothRemoteGATTCharacteristic>::trace(visitor);
     ActiveDOMObject::trace(visitor);
+    visitor->trace(m_properties);
 }
 
 } // namespace blink