make destructors virtual

content/base/src/nsGenericDOMDataNode.h

@@ -48,7 +48,7 @@ class nsIDOMText;
 
 struct nsGenericDOMDataNode {
   nsGenericDOMDataNode();
-  ~nsGenericDOMDataNode();
+  virtual ~nsGenericDOMDataNode();
 
   void Init(nsIContent* aOuterContentObject);
 

content/base/src/nsTextNode.cpp

@@ -39,7 +39,7 @@ class nsTextNode : public nsIDOMText,
 {
 public:
   nsTextNode();
-  ~nsTextNode();
+  virtual ~nsTextNode();
 
   // nsISupports
   NS_DECL_ISUPPORTS

content/html/style/src/nsHTMLAttributes.cpp

@@ -187,7 +187,7 @@ public:
                      nsMapAttributesFunc aFontMapFunc,
                      nsMapAttributesFunc aMapFunc);
   HTMLAttributesImpl(const HTMLAttributesImpl& aCopy);
-  ~HTMLAttributesImpl(void);
+  virtual ~HTMLAttributesImpl(void);
 
   NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
   NS_IMETHOD_(nsrefcnt) AddRef();

content/html/style/src/nsHTMLStyleSheet.cpp

@@ -50,7 +50,7 @@ static NS_DEFINE_IID(kIStyleFrameConstructionIID, NS_ISTYLE_FRAME_CONSTRUCTION_I
 class HTMLAnchorRule : public nsIStyleRule {
 public:
   HTMLAnchorRule(nsIHTMLStyleSheet* aSheet);
-  ~HTMLAnchorRule();
+  virtual ~HTMLAnchorRule();
 
   NS_DECL_ISUPPORTS
 

layout/base/src/nsGenericDOMDataNode.h

@@ -48,7 +48,7 @@ class nsIDOMText;
 
 struct nsGenericDOMDataNode {
   nsGenericDOMDataNode();
-  ~nsGenericDOMDataNode();
+  virtual ~nsGenericDOMDataNode();
 
   void Init(nsIContent* aOuterContentObject);
 

layout/base/src/nsTextNode.cpp

@@ -39,7 +39,7 @@ class nsTextNode : public nsIDOMText,
 {
 public:
   nsTextNode();
-  ~nsTextNode();
+  virtual ~nsTextNode();
 
   // nsISupports
   NS_DECL_ISUPPORTS

layout/html/style/src/nsHTMLAttributes.cpp

@@ -187,7 +187,7 @@ public:
                      nsMapAttributesFunc aFontMapFunc,
                      nsMapAttributesFunc aMapFunc);
   HTMLAttributesImpl(const HTMLAttributesImpl& aCopy);
-  ~HTMLAttributesImpl(void);
+  virtual ~HTMLAttributesImpl(void);
 
   NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
   NS_IMETHOD_(nsrefcnt) AddRef();

layout/html/style/src/nsHTMLStyleSheet.cpp

@@ -50,7 +50,7 @@ static NS_DEFINE_IID(kIStyleFrameConstructionIID, NS_ISTYLE_FRAME_CONSTRUCTION_I
 class HTMLAnchorRule : public nsIStyleRule {
 public:
   HTMLAnchorRule(nsIHTMLStyleSheet* aSheet);
-  ~HTMLAnchorRule();
+  virtual ~HTMLAnchorRule();
 
   NS_DECL_ISUPPORTS
 

layout/style/nsHTMLStyleSheet.cpp

@@ -50,7 +50,7 @@ static NS_DEFINE_IID(kIStyleFrameConstructionIID, NS_ISTYLE_FRAME_CONSTRUCTION_I
 class HTMLAnchorRule : public nsIStyleRule {
 public:
   HTMLAnchorRule(nsIHTMLStyleSheet* aSheet);
-  ~HTMLAnchorRule();
+  virtual ~HTMLAnchorRule();
 
   NS_DECL_ISUPPORTS