Oilpan: Prepare moving inspector script related classes to oilpan.

Source/core/inspector/ScriptCallStack.cpp

Index: Source/core/inspector/ScriptCallStack.cpp
diff --git a/Source/core/inspector/ScriptCallStack.cpp b/Source/core/inspector/ScriptCallStack.cpp
index 1dfc7c95c67218525f148a8920fe42d64a39d4ec..6349c155c8f323b3625dd3ee98cc5c3f6a0a5f7c 100644
--- a/Source/core/inspector/ScriptCallStack.cpp
+++ b/Source/core/inspector/ScriptCallStack.cpp
@@ -34,9 +34,9 @@
 
 namespace WebCore {
 
-PassRefPtr<ScriptCallStack> ScriptCallStack::create(Vector<ScriptCallFrame>& frames)
+PassRefPtrWillBeRawPtr<ScriptCallStack> ScriptCallStack::create(Vector<ScriptCallFrame>& frames)
 {
-    return adoptRef(new ScriptCallStack(frames));
+    return adoptRefWillBeNoop(new ScriptCallStack(frames));
 }
 
 ScriptCallStack::ScriptCallStack(Vector<ScriptCallFrame>& frames)
@@ -44,10 +44,6 @@ ScriptCallStack::ScriptCallStack(Vector<ScriptCallFrame>& frames)
     m_frames.swap(frames);
 }
 
-ScriptCallStack::~ScriptCallStack()
-{
-}
-
 const ScriptCallFrame &ScriptCallStack::at(size_t index) const
 {
     ASSERT(m_frames.size() > index);