Bug 573895: Disable MSVC warning that's spammed when we pass empty string to the macros NS_[DECLARE|IMPL]_NEW_HTML_ELEMENT. r=jst

content/html/content/src/nsGenericHTMLElement.h

@@ -1316,7 +1316,16 @@ NS_NewHTML##_elementName##Element(nsINodeInfo *aNodeInfo,         \
   return NS_NewHTMLSharedElement(aNodeInfo, aFromParser);         \
 }
 
+// Disable MSVC warning that spams when we pass empty string as only macro arg.
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable:4003)
+#endif
 NS_DECLARE_NS_NEW_HTML_ELEMENT() // HTMLElement
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
 NS_DECLARE_NS_NEW_HTML_ELEMENT(Shared)
 NS_DECLARE_NS_NEW_HTML_ELEMENT(SharedList)
 NS_DECLARE_NS_NEW_HTML_ELEMENT(SharedObject)

content/html/content/src/nsHTMLElement.cpp

@@ -61,7 +61,15 @@ public:
   nsresult Clone(nsINodeInfo* aNodeInfo, nsINode** aResult) const;
 };
 
+// Disable MSVC warning that spams when we pass empty string as only macro arg.
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable:4003)
+#endif
 NS_IMPL_NS_NEW_HTML_ELEMENT() // HTMLElement
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
 
 nsHTMLElement::nsHTMLElement(nsINodeInfo* aNodeInfo)
   : nsGenericHTMLElement(aNodeInfo)