Merge pull request #974 from zyearn/fix_comp_in_macosx_10.15

fix_comp_in_macosx_10.15

src/butil/mac/foundation_util.h

@@ -51,9 +51,6 @@ typedef CR_FORWARD_ENUM(unsigned int, NSSearchPathDirectory);
 typedef unsigned int NSSearchPathDomainMask;
 #endif
 
-typedef struct OpaqueSecTrustRef* SecACLRef;
-typedef struct OpaqueSecTrustedApplicationRef* SecTrustedApplicationRef;
-
 namespace butil {
 
 class FilePath;