[oilpan] Figure out lifetime of remaining Node raw pointers (Part 2)

Source/core/html/MediaDocument.cpp

Index: Source/core/html/MediaDocument.cpp
diff --git a/Source/core/html/MediaDocument.cpp b/Source/core/html/MediaDocument.cpp
index e5b69677343b15300b6c77013c3d5a00135d203f..b4d2d1d0d7ad89d1ddb705c49309151fad86f199 100644
--- a/Source/core/html/MediaDocument.cpp
+++ b/Source/core/html/MediaDocument.cpp
@@ -66,7 +66,8 @@ private:
 
     void createDocumentStructure();
 
-    // FIXME(oilpan): We cannot handlify this until we move DocumentParser to the heap.
+    // FIXME(oilpan): This is a strong pointer.

[zerny-chromium, 2013/10/01 10:18:37]

I'll fix this in a follow-up CL after moving over the parsers.

+    // We cannot handlify this until we move DocumentParser to the heap.
     // Note that Document (which might exist in the same tree of this HTMLMediaElement)
     // has a Persistent handle to DocumentParser.
     HTMLMediaElement* m_mediaElement;