Update from https://crrev.com/316786

base/mac/sdk_forward_declarations.mm

Index: base/mac/sdk_forward_declarations.mm
diff --git a/base/mac/sdk_forward_declarations.mm b/base/mac/sdk_forward_declarations.mm
index 7a5703228f1c3837323093ac9c9a98d255504f7e..4edc710ea2ff9cc9badba85d5b05234e836e8b1e 100644
--- a/base/mac/sdk_forward_declarations.mm
+++ b/base/mac/sdk_forward_declarations.mm
@@ -23,6 +23,8 @@ NSString* const NSWindowDidExitFullScreenNotification =
 NSString* const NSWindowDidChangeBackingPropertiesNotification =
     @"NSWindowDidChangeBackingPropertiesNotification";
 
+NSString* const CBAdvertisementDataServiceDataKey = @"kCBAdvDataServiceData";
+
 #endif  // MAC_OS_X_VERSION_10_7
 
 // Replicate specific 10.9 SDK declarations for building with prior SDKs.
@@ -32,6 +34,8 @@ NSString* const NSWindowDidChangeBackingPropertiesNotification =
 NSString* const NSWindowDidChangeOcclusionStateNotification =
     @"NSWindowDidChangeOcclusionStateNotification";
 
+NSString* const CBAdvertisementDataIsConnectable = @"kCBAdvDataIsConnectable";
+
 #endif  // MAC_OS_X_VERSION_10_9
 
 // Replicate specific 10.10 SDK declarations for building with prior SDKs.