From 5f3734c16a8585d1c6305d5ccd315cba48a3a83d Mon Sep 17 00:00:00 2001
From: Kartikaya Gupta <kgupta@mozilla.com>
Date: Wed, 13 Nov 2013 13:22:24 -0500
Subject: [PATCH] Bug 937843 - Make an argument to nsLayoutUtils::FindIDFor
 const. r=tn

---
 layout/base/nsLayoutUtils.cpp | 2 +-
 layout/base/nsLayoutUtils.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/layout/base/nsLayoutUtils.cpp b/layout/base/nsLayoutUtils.cpp
index 8c5bb2fd4a6..c592be4e4c3 100644
--- a/layout/base/nsLayoutUtils.cpp
+++ b/layout/base/nsLayoutUtils.cpp
@@ -516,7 +516,7 @@ static void DestroyViewID(void* aObject, nsIAtom* aPropertyName,
  */
 
 bool
-nsLayoutUtils::FindIDFor(nsIContent* aContent, ViewID* aOutViewId)
+nsLayoutUtils::FindIDFor(const nsIContent* aContent, ViewID* aOutViewId)
 {
   void* scrollIdProperty = aContent->GetProperty(nsGkAtoms::RemoteId);
   if (scrollIdProperty) {
diff --git a/layout/base/nsLayoutUtils.h b/layout/base/nsLayoutUtils.h
index dfcc3582d1d..535622503e3 100644
--- a/layout/base/nsLayoutUtils.h
+++ b/layout/base/nsLayoutUtils.h
@@ -85,7 +85,7 @@ public:
    * Finds previously assigned ViewID for the given content element, if any.
    * Returns whether a ViewID was previously assigned.
    */
-  static bool FindIDFor(nsIContent* aContent, ViewID* aOutViewId);
+  static bool FindIDFor(const nsIContent* aContent, ViewID* aOutViewId);
 
   /**
    * Finds previously assigned or generates a unique ViewID for the given