[Oilpan] Migrate classes under module/webgl onto oilpan heap

Source/modules/webgl/WebGLExtension.h

Index: Source/modules/webgl/WebGLExtension.h
diff --git a/Source/modules/webgl/WebGLExtension.h b/Source/modules/webgl/WebGLExtension.h
index fb7c2f049ec47cd2708687a4335658768bc17742..770b9b1ca8647a67181d2616e82cffa9fa688b5d 100644
--- a/Source/modules/webgl/WebGLExtension.h
+++ b/Source/modules/webgl/WebGLExtension.h
@@ -35,9 +35,8 @@
 
 namespace blink {
 
-class WebGLExtensionScopedContext : public NoBaseWillBeGarbageCollectedFinalized<WebGLExtensionScopedContext> {
+class WebGLExtensionScopedContext : public GarbageCollectedFinalized<WebGLExtensionScopedContext> {

[sof, 2015/08/01 18:49:13]

Can't we make this just STACK_ALLOCATED()?

[peria, 2015/08/03 09:00:36]

Done.

     WTF_MAKE_NONCOPYABLE(WebGLExtensionScopedContext);
-    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(WebGLExtensionScopedContext);
 public:
     WebGLExtensionScopedContext(WebGLExtension*);

[sof, 2015/08/01 18:49:13]

add explicit

[peria, 2015/08/03 09:00:36]

Done.

     virtual ~WebGLExtensionScopedContext();
@@ -51,8 +50,7 @@ private:
     RefPtrWillBeMember<WebGLRenderingContextBase> m_context;
 };
 
-class WebGLExtension : public RefCountedWillBeGarbageCollectedFinalized<WebGLExtension>, public ScriptWrappable {
-    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(WebGLExtension);
+class WebGLExtension : public GarbageCollectedFinalized<WebGLExtension>, public ScriptWrappable {
 public:
     virtual ~WebGLExtension();
     virtual WebGLExtensionName name() const = 0;
@@ -83,7 +81,7 @@ protected:
 private:
     friend WebGLExtensionScopedContext;
 
-    RawPtrWillBeWeakMember<WebGLRenderingContextBase> m_context;
+    RefPtrWillBeWeakMember<WebGLRenderingContextBase> m_context;

[sof, 2015/08/01 18:49:13]

Could you explain why this needs to be a RefPtr<> for the time being non-Oilpan
& why that doesn't bring about any ref cycles?

[peria, 2015/08/03 09:00:36]

I reverted this change.
I'm not sure why I did this change...

 };
 
 } // namespace blink