Bug 811466 - Add include guards around some headers which were missing them. r=khuey

content/base/src/mozAutoDocUpdate.h

@@ -2,6 +2,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#ifndef mozAutoDocUpdate_h_
+#define mozAutoDocUpdate_h_
+
 #include "nsContentUtils.h"
 #include "nsIDocument.h"
 #include "nsIDocumentObserver.h"
@@ -82,3 +85,5 @@ public:
 private:
   nsCOMPtr<nsIDocument> mDocument;
 };
+
+#endif

content/base/src/nsCCUncollectableMarker.h

@@ -3,6 +3,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#ifndef nsCCUncollectableMarker_h_
+#define nsCCUncollectableMarker_h_
+
 #include "nsIObserver.h"
 #include "nsCycleCollectionParticipant.h"
 #include "mozilla/Attributes.h"
@@ -45,3 +48,5 @@ namespace dom {
 void TraceBlackJS(JSTracer* aTrc);
 }
 }
+
+#endif

content/xbl/src/nsXBLService.h

@@ -5,6 +5,9 @@
 
 //////////////////////////////////////////////////////////////////////////////////////////
 
+#ifndef nsXBLService_h_
+#define nsXBLService_h_
+
 #include "nsString.h"
 #include "nsIObserver.h"
 #include "nsWeakReference.h"
@@ -141,3 +144,4 @@ public:
   nsrefcnt Drop() { return --mRefCnt ? mRefCnt : Destroy(); }
 };
 
+#endif

dom/base/nsDOMWindowUtils.h

@@ -3,6 +3,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#ifndef nsDOMWindowUtils_h_
+#define nsDOMWindowUtils_h_
+
 #include "nsAutoPtr.h"
 #include "nsWeakReference.h"
 
@@ -48,3 +51,5 @@ protected:
 
   static mozilla::widget::Modifiers GetWidgetModifiers(int32_t aModifiers);
 };
+
+#endif