Moving (Can|Grant)AccessFilesOfPageState into RenderFrameHostImpl.

content/common/page_state_serialization.h

Index: content/common/page_state_serialization.h
diff --git a/content/common/page_state_serialization.h b/content/common/page_state_serialization.h
index c8bacb785110cba74d984662d33e4641f679832f..90484c4387bf591e87ec735194084388a1da1073 100644
--- a/content/common/page_state_serialization.h
+++ b/content/common/page_state_serialization.h
@@ -58,9 +58,10 @@ private:
 };
 
 struct CONTENT_EXPORT ExplodedPageState {
-  // TODO(creis): Move referenced_files to ExplodedFrameState.
-  // It currently contains a list from all frames, but cannot be deserialized
-  // into the files referenced by each frame.  See http://crbug.com/441966.
+  // TODO(creis, lukasza): Instead of storing them in |referenced_files|,
+  // extract referenced files from ExplodedHttpBody.  |referenced_files|
+  // currently contains a list from all frames, but cannot be deserialized into
+  // the files referenced by each frame.  See http://crbug.com/441966.
   std::vector<base::NullableString16> referenced_files;
   ExplodedFrameState top;