Bug 677506 - Enable the DOM Memory Reporter. r=jst

layout/build/nsLayoutStatics.cpp

@@ -262,12 +262,7 @@ nsLayoutStatics::Initialize()
 
   NS_SealStaticAtomTable();
 
-// TODO: DOM_MEMORY_REPORTER should not be defined in a regular build for the
-// moment. This protection will be removed when bug 663271 will be close enough
-// to a shippable state.
-#ifdef DOM_MEMORY_REPORTER
   nsDOMMemoryReporter::Init();
-#endif
 
   return NS_OK;
 }