Fixes FlutterCallbackInfomation leaks (flutter#15089)

zhongwuzw · cbracken · commit 45fe095d094c · 2020-01-23T16:33:26.000-08:00
See: flutter#46750
diff --git a/shell/platform/darwin/ios/framework/Source/FlutterCallbackCache.mm b/shell/platform/darwin/ios/framework/Source/FlutterCallbackCache.mm
@@ -16,7 +16,7 @@ + (FlutterCallbackInformation*)lookupCallbackInformation:(int64_t)handle {
   if (info == nullptr) {
     return nil;
   }
-  FlutterCallbackInformation* new_info = [[FlutterCallbackInformation alloc] init];
+  FlutterCallbackInformation* new_info = [[[FlutterCallbackInformation alloc] init] autorelease];
   new_info.callbackName = [NSString stringWithUTF8String:info->name.c_str()];
   new_info.callbackClassName = [NSString stringWithUTF8String:info->class_name.c_str()];
   new_info.callbackLibraryPath = [NSString stringWithUTF8String:info->library_path.c_str()];

Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ + (FlutterCallbackInformation*)lookupCallbackInformation:(int64_t)handle {`
`16`	`16`	`if (info == nullptr) {`
`17`	`17`	`return nil;`
`18`	`18`	`}`
`19`		`- FlutterCallbackInformation* new_info = [[FlutterCallbackInformation alloc] init];`
	`19`	`+ FlutterCallbackInformation* new_info = [[[FlutterCallbackInformation alloc] init] autorelease];`
`20`	`20`	`new_info.callbackName = [NSString stringWithUTF8String:info->name.c_str()];`
`21`	`21`	`new_info.callbackClassName = [NSString stringWithUTF8String:info->class_name.c_str()];`
`22`	`22`	`new_info.callbackLibraryPath = [NSString stringWithUTF8String:info->library_path.c_str()];`