Revert of Oilpan: Move MediaStreamSource, MediaStreamComponent and MediaStreamDescriptor

Source/platform/mediastream/MediaStreamDescriptor.h

Index: Source/platform/mediastream/MediaStreamDescriptor.h
diff --git a/Source/platform/mediastream/MediaStreamDescriptor.h b/Source/platform/mediastream/MediaStreamDescriptor.h
index b6a4b7b4a2c040342e906ce56f7e807048ef395c..6e0b1b011a2eae38a6cb6b14dd5c8473a7248efd 100644
--- a/Source/platform/mediastream/MediaStreamDescriptor.h
+++ b/Source/platform/mediastream/MediaStreamDescriptor.h
@@ -32,25 +32,24 @@
 #ifndef MediaStreamDescriptor_h
 #define MediaStreamDescriptor_h
 
-#include "platform/heap/Handle.h"
 #include "platform/mediastream/MediaStreamComponent.h"
 #include "platform/mediastream/MediaStreamSource.h"
 #include "wtf/PassOwnPtr.h"
+#include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
-class MediaStreamDescriptorClient : public GarbageCollectedMixin {
+class MediaStreamDescriptorClient {
 public:
     virtual ~MediaStreamDescriptorClient() { }
 
     virtual void streamEnded() = 0;
     virtual void addRemoteTrack(MediaStreamComponent*) = 0;
     virtual void removeRemoteTrack(MediaStreamComponent*) = 0;
-    virtual void trace(Visitor*) { }
 };
 
-class PLATFORM_EXPORT MediaStreamDescriptor FINAL : public GarbageCollectedFinalized<MediaStreamDescriptor> {
+class PLATFORM_EXPORT MediaStreamDescriptor FINAL : public RefCounted<MediaStreamDescriptor> {
 public:
     class ExtraData {
     public:
@@ -58,11 +57,11 @@
     };
 
     // Only used for AudioDestinationNode.
-    static MediaStreamDescriptor* create(const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources);
+    static PassRefPtr<MediaStreamDescriptor> create(const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources);
 
-    static MediaStreamDescriptor* create(const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
+    static PassRefPtr<MediaStreamDescriptor> create(const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
 
-    static MediaStreamDescriptor* create(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
+    static PassRefPtr<MediaStreamDescriptor> create(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
 
     MediaStreamDescriptorClient* client() const { return m_client; }
     void setClient(MediaStreamDescriptorClient* client) { m_client = client; }
@@ -75,8 +74,8 @@
     unsigned numberOfVideoComponents() const { return m_videoComponents.size(); }
     MediaStreamComponent* videoComponent(unsigned index) const { return m_videoComponents[index].get(); }
 
-    void addComponent(MediaStreamComponent*);
-    void removeComponent(MediaStreamComponent*);
+    void addComponent(PassRefPtr<MediaStreamComponent>);
+    void removeComponent(PassRefPtr<MediaStreamComponent>);
 
     void addRemoteTrack(MediaStreamComponent*);
     void removeRemoteTrack(MediaStreamComponent*);
@@ -87,21 +86,21 @@
     ExtraData* extraData() const { return m_extraData.get(); }
     void setExtraData(PassOwnPtr<ExtraData> extraData) { m_extraData = extraData; }
 
-    void trace(Visitor*);
-
 private:
     MediaStreamDescriptor(const String& id, const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources);
     MediaStreamDescriptor(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
 
-    Member<MediaStreamDescriptorClient> m_client;
+    MediaStreamDescriptorClient* m_client;
     String m_id;
-    MediaStreamComponentVector m_audioComponents;
-    MediaStreamComponentVector m_videoComponents;
+    Vector<RefPtr<MediaStreamComponent> > m_audioComponents;
+    Vector<RefPtr<MediaStreamComponent> > m_videoComponents;
     bool m_ended;
 
     OwnPtr<ExtraData> m_extraData;
 };
 
+typedef Vector<RefPtr<MediaStreamDescriptor> > MediaStreamDescriptorVector;
+
 } // namespace blink
 
 #endif // MediaStreamDescriptor_h