2 files changed, 3 insertions, 3 deletions
diff --git a/src/common/mac/SimpleStringDictionary.h b/src/common/mac/SimpleStringDictionary.h
index 3d6c27bd..814a6f7a 100644
--- a/src/common/mac/SimpleStringDictionary.h
+++ b/src/common/mac/SimpleStringDictionary.h
@@ -134,7 +134,7 @@ class SimpleStringDictionary {
   // Given |key|, returns its corresponding |value|.
   // If |key| is NULL, an assert will fire or NULL will be returned.  If |key|
   // is not found or is an empty string, NULL is returned.
-  const char *GetValueForKey(const char *key);
+  const char *GetValueForKey(const char *key) const;
     
   // Stores a string |value| represented by |key|.  If |key| is NULL or an empty
   // string, this will assert (or do nothing).  If |value| is NULL then
diff --git a/src/common/mac/SimpleStringDictionary.mm b/src/common/mac/SimpleStringDictionary.mm
index d9c791cc..b97b760c 100644
--- a/src/common/mac/SimpleStringDictionary.mm
+++ b/src/common/mac/SimpleStringDictionary.mm
@@ -55,13 +55,13 @@ int SimpleStringDictionary::GetCount() const {
 }
 
 //==============================================================================
-const char *SimpleStringDictionary::GetValueForKey(const char *key) {
+const char *SimpleStringDictionary::GetValueForKey(const char *key) const {
   assert(key);
   if (!key)
     return NULL;
 
   for (int i = 0; i < MAX_NUM_ENTRIES; ++i) {
-    KeyValueEntry &entry = entries_[i];
+    const KeyValueEntry &entry = entries_[i];
     if (entry.IsActive() && !strcmp(entry.GetKey(), key)) {
       return entry.GetValue();
     }