diff --git a/mozilla/content/html/style/src/nsCSSDeclaration.cpp b/mozilla/content/html/style/src/nsCSSDeclaration.cpp
index 2cc40c36091..529951aa3b5 100644
--- a/mozilla/content/html/style/src/nsCSSDeclaration.cpp
+++ b/mozilla/content/html/style/src/nsCSSDeclaration.cpp
@@ -38,6 +38,7 @@
 #include "nscore.h"
 #include "nsICSSDeclaration.h"
 #include "nsString.h"
+#include "nsUnicharUtils.h"
 #include "nsCRT.h"
 #include "nsCSSProps.h"
 #include "nsUnitConversion.h"
diff --git a/mozilla/content/html/style/src/nsCSSStruct.cpp b/mozilla/content/html/style/src/nsCSSStruct.cpp
index 2cc40c36091..529951aa3b5 100644
--- a/mozilla/content/html/style/src/nsCSSStruct.cpp
+++ b/mozilla/content/html/style/src/nsCSSStruct.cpp
@@ -38,6 +38,7 @@
 #include "nscore.h"
 #include "nsICSSDeclaration.h"
 #include "nsString.h"
+#include "nsUnicharUtils.h"
 #include "nsCRT.h"
 #include "nsCSSProps.h"
 #include "nsUnitConversion.h"
diff --git a/mozilla/layout/style/nsCSSDeclaration.cpp b/mozilla/layout/style/nsCSSDeclaration.cpp
index 2cc40c36091..529951aa3b5 100644
--- a/mozilla/layout/style/nsCSSDeclaration.cpp
+++ b/mozilla/layout/style/nsCSSDeclaration.cpp
@@ -38,6 +38,7 @@
 #include "nscore.h"
 #include "nsICSSDeclaration.h"
 #include "nsString.h"
+#include "nsUnicharUtils.h"
 #include "nsCRT.h"
 #include "nsCSSProps.h"
 #include "nsUnitConversion.h"
diff --git a/mozilla/layout/style/nsCSSStruct.cpp b/mozilla/layout/style/nsCSSStruct.cpp
index 2cc40c36091..529951aa3b5 100644
--- a/mozilla/layout/style/nsCSSStruct.cpp
+++ b/mozilla/layout/style/nsCSSStruct.cpp
@@ -38,6 +38,7 @@
 #include "nscore.h"
 #include "nsICSSDeclaration.h"
 #include "nsString.h"
+#include "nsUnicharUtils.h"
 #include "nsCRT.h"
 #include "nsCSSProps.h"
 #include "nsUnitConversion.h"