diff --git a/mozilla/string/public/nsBufferHandle.h b/mozilla/string/public/nsBufferHandle.h
index 2126a979749..1968bf16242 100755
--- a/mozilla/string/public/nsBufferHandle.h
+++ b/mozilla/string/public/nsBufferHandle.h
@@ -143,7 +143,7 @@ class nsXXXBufferHandle
             mStorageStart(aStorageStart),
             mStorageEnd(aStorageEnd)
         {
-          mFlags |= kIsStorageDefinedSeparately;
+          this->mFlags |= kIsStorageDefinedSeparately;
         }
 
       void          StorageStart( CharT* aNewStorageStart )       { mStorageStart = aNewStorageStart; }
@@ -170,7 +170,7 @@ nsSharedBufferHandle<CharT>::~nsSharedBufferHandle()
 
     if ( !(mFlags & kIsSingleAllocationWithBuffer) )
       {
-        CharT* string_storage = mDataStart;
+        CharT* string_storage = this->mDataStart;
         if ( mFlags & kIsStorageDefinedSeparately )
           string_storage = NS_REINTERPRET_CAST(nsXXXBufferHandle<CharT>*, this)->StorageStart();
         nsMemory::Free(string_storage);
diff --git a/mozilla/string/public/nsSharedBufferList.h b/mozilla/string/public/nsSharedBufferList.h
index 5b98439d3ee..5ae4fa037e0 100755
--- a/mozilla/string/public/nsSharedBufferList.h
+++ b/mozilla/string/public/nsSharedBufferList.h
@@ -51,7 +51,7 @@ class nsSharedBufferList
                 : nsXXXBufferHandle<PRUnichar>(aDataStart, aDataEnd, aStorageStart, aStorageEnd)
               {
                 if ( aIsSingleAllocation )
-                  mFlags |= kIsSingleAllocationWithBuffer;
+                  this->mFlags |= kIsSingleAllocationWithBuffer;
               }
 
             Buffer* mPrev;
diff --git a/mozilla/xpcom/ds/nsBufferHandle.h b/mozilla/xpcom/ds/nsBufferHandle.h
index 2126a979749..1968bf16242 100755
--- a/mozilla/xpcom/ds/nsBufferHandle.h
+++ b/mozilla/xpcom/ds/nsBufferHandle.h
@@ -143,7 +143,7 @@ class nsXXXBufferHandle
             mStorageStart(aStorageStart),
             mStorageEnd(aStorageEnd)
         {
-          mFlags |= kIsStorageDefinedSeparately;
+          this->mFlags |= kIsStorageDefinedSeparately;
         }
 
       void          StorageStart( CharT* aNewStorageStart )       { mStorageStart = aNewStorageStart; }
@@ -170,7 +170,7 @@ nsSharedBufferHandle<CharT>::~nsSharedBufferHandle()
 
     if ( !(mFlags & kIsSingleAllocationWithBuffer) )
       {
-        CharT* string_storage = mDataStart;
+        CharT* string_storage = this->mDataStart;
         if ( mFlags & kIsStorageDefinedSeparately )
           string_storage = NS_REINTERPRET_CAST(nsXXXBufferHandle<CharT>*, this)->StorageStart();
         nsMemory::Free(string_storage);
diff --git a/mozilla/xpcom/ds/nsSharedBufferList.h b/mozilla/xpcom/ds/nsSharedBufferList.h
index 5b98439d3ee..5ae4fa037e0 100755
--- a/mozilla/xpcom/ds/nsSharedBufferList.h
+++ b/mozilla/xpcom/ds/nsSharedBufferList.h
@@ -51,7 +51,7 @@ class nsSharedBufferList
                 : nsXXXBufferHandle<PRUnichar>(aDataStart, aDataEnd, aStorageStart, aStorageEnd)
               {
                 if ( aIsSingleAllocation )
-                  mFlags |= kIsSingleAllocationWithBuffer;
+                  this->mFlags |= kIsSingleAllocationWithBuffer;
               }
 
             Buffer* mPrev;
diff --git a/mozilla/xpcom/string/public/nsBufferHandle.h b/mozilla/xpcom/string/public/nsBufferHandle.h
index 2126a979749..1968bf16242 100755
--- a/mozilla/xpcom/string/public/nsBufferHandle.h
+++ b/mozilla/xpcom/string/public/nsBufferHandle.h
@@ -143,7 +143,7 @@ class nsXXXBufferHandle
             mStorageStart(aStorageStart),
             mStorageEnd(aStorageEnd)
         {
-          mFlags |= kIsStorageDefinedSeparately;
+          this->mFlags |= kIsStorageDefinedSeparately;
         }
 
       void          StorageStart( CharT* aNewStorageStart )       { mStorageStart = aNewStorageStart; }
@@ -170,7 +170,7 @@ nsSharedBufferHandle<CharT>::~nsSharedBufferHandle()
 
     if ( !(mFlags & kIsSingleAllocationWithBuffer) )
       {
-        CharT* string_storage = mDataStart;
+        CharT* string_storage = this->mDataStart;
         if ( mFlags & kIsStorageDefinedSeparately )
           string_storage = NS_REINTERPRET_CAST(nsXXXBufferHandle<CharT>*, this)->StorageStart();
         nsMemory::Free(string_storage);
diff --git a/mozilla/xpcom/string/public/nsSharedBufferList.h b/mozilla/xpcom/string/public/nsSharedBufferList.h
index 5b98439d3ee..5ae4fa037e0 100755
--- a/mozilla/xpcom/string/public/nsSharedBufferList.h
+++ b/mozilla/xpcom/string/public/nsSharedBufferList.h
@@ -51,7 +51,7 @@ class nsSharedBufferList
                 : nsXXXBufferHandle<PRUnichar>(aDataStart, aDataEnd, aStorageStart, aStorageEnd)
               {
                 if ( aIsSingleAllocation )
-                  mFlags |= kIsSingleAllocationWithBuffer;
+                  this->mFlags |= kIsSingleAllocationWithBuffer;
               }
 
             Buffer* mPrev;