Remove the default argument from RegKey::Create.

base/registry.h

Index: base/registry.h
diff --git a/base/registry.h b/base/registry.h
index b9427eabc12749fbcfbcdca509c5c3f6b2ac0a24..6199362b2668156340435ea39cb864594981e6e9 100644
--- a/base/registry.h
+++ b/base/registry.h
@@ -24,7 +24,7 @@ class RegKey {
   RegKey(HKEY rootkey, const wchar_t* subkey, REGSAM access);
   ~RegKey();
 
-  bool Create(HKEY rootkey, const wchar_t* subkey, REGSAM access = KEY_READ);
+  bool Create(HKEY rootkey, const wchar_t* subkey, REGSAM access);
 
   bool CreateWithDisposition(HKEY rootkey, const wchar_t* subkey,
                              DWORD* disposition, REGSAM access);