Bug 1411034 - Remove the const to fix the -Wignored-qualifiers warning r=erahm

MozReview-Commit-ID: 8AvGwUQsdE8

--HG--
extra : rebase_source : 25b61a81b83ff3fa65ab15a23af92a56e3a6be12

xpcom/ds/nsTHashtable.h

@@ -414,7 +414,7 @@ template<class EntryType>
 PLDHashNumber
 nsTHashtable<EntryType>::s_HashKey(const void* aKey)
 {
-  return EntryType::HashKey(static_cast<const KeyTypePointer>(aKey));
+  return EntryType::HashKey(static_cast<KeyTypePointer>(aKey));
 }
 
 template<class EntryType>
@@ -423,7 +423,7 @@ nsTHashtable<EntryType>::s_MatchEntry(const PLDHashEntryHdr* aEntry,
                                       const void* aKey)
 {
   return ((const EntryType*)aEntry)->KeyEquals(
-    static_cast<const KeyTypePointer>(aKey));
+    static_cast<KeyTypePointer>(aKey));
 }
 
 template<class EntryType>

xpcom/string/nsReadableUtilsImpl.h

@@ -18,7 +18,7 @@ inline bool IsASCII(char16_t aChar) {
 inline const char16_t* aligned(const char16_t* aPtr, const uintptr_t aMask)
 {
   return reinterpret_cast<const char16_t*>(
-      reinterpret_cast<const uintptr_t>(aPtr) & ~aMask);
+      reinterpret_cast<uintptr_t>(aPtr) & ~aMask);
 }
 
 /**