Add nsTraceRefcnt debugging hooks for a few MS-COM objects, some of which are leaking. r=rods sr=jag b=114171

widget/src/windows/nsDataObj.cpp

@@ -129,8 +129,10 @@ STDMETHODIMP nsDataObj::QueryInterface(REFIID riid, void** ppv)
 STDMETHODIMP_(ULONG) nsDataObj::AddRef()
 {
 	++g_cRef;
+	++m_cRef;
+	NS_LOG_ADDREF(this, m_cRef, "nsDataObj", sizeof(*this));
   //PRNTDEBUG3("nsDataObj::AddRef  >>>>>>>>>>>>>>>>>> %d on %p\n", (m_cRef+1), this);
-	return ++m_cRef;
+	return m_cRef;
 }
 
 
@@ -141,6 +143,7 @@ STDMETHODIMP_(ULONG) nsDataObj::Release()
 	if (0 < g_cRef)
 		--g_cRef;
 
+	NS_LOG_RELEASE(this, m_cRef, "nsDataObj");
 	if (0 != --m_cRef)
 		return m_cRef;
 

widget/src/windows/nsNativeDragSource.cpp

@@ -37,6 +37,7 @@
 
 #include "nsNativeDragSource.h"
 #include <stdio.h>
+#include "nsISupportsImpl.h"
 
 
 /*
@@ -71,12 +72,16 @@ STDMETHODIMP nsNativeDragSource::QueryInterface(REFIID riid, void** ppv)
 
 STDMETHODIMP_(ULONG) nsNativeDragSource::AddRef(void)
 {
-    return ++m_cRef;
+    ++m_cRef;
+    NS_LOG_ADDREF(this, m_cRef, "nsNativeDragSource", sizeof(*this));
+    return m_cRef;
 }
 
 STDMETHODIMP_(ULONG) nsNativeDragSource::Release(void)
 {
-	 if (0 != --m_cRef)
+    --m_cRef;
+    NS_LOG_RELEASE(this, m_cRef, "nsNativeDragSource");
+    if (0 != m_cRef)
         return m_cRef;
 
     delete this;

widget/src/windows/nsNativeDragTarget.cpp

@@ -117,13 +117,17 @@ STDMETHODIMP nsNativeDragTarget::QueryInterface(REFIID riid, void** ppv)
 //-----------------------------------------------------
 STDMETHODIMP_(ULONG) nsNativeDragTarget::AddRef(void)
 {
-    return ++m_cRef;
+    ++m_cRef;
+    NS_LOG_ADDREF(this, m_cRef, "nsNativeDragTarget", sizeof(*this));
+    return m_cRef;
 }
 
 //-----------------------------------------------------
 STDMETHODIMP_(ULONG) nsNativeDragTarget::Release(void)
 {
-	 if (0 != --m_cRef)
+    --m_cRef;
+    NS_LOG_RELEASE(this, m_cRef, "nsNativeDragTarget");
+    if (0 != m_cRef)
         return m_cRef;
 
     delete this;