removed nil check and switched away from init

Author: gaaclarke

packages/video_player/video_player_avfoundation/example/ios/RunnerTests/VideoPlayerTests.m

@@ -51,8 +51,12 @@ - (void)testDeregistersFromPlayer {
   [videoPlayerPlugin initialize:&error];
   XCTAssertNil(error);
 
-  FLTCreateMessage *create = [[FLTCreateMessage alloc] init];
-  create.uri = @"https://flutter.github.io/assets-for-api-docs/assets/videos/bee.mp4";
+  FLTCreateMessage *create = [FLTCreateMessage
+      makeWithAsset:nil
+                uri:@"https://flutter.github.io/assets-for-api-docs/assets/videos/bee.mp4"
+        packageName:nil
+         formatHint:nil
+        httpHeaders:@{}];
   FLTTextureMessage *textureMessage = [videoPlayerPlugin create:create error:&error];
   XCTAssertNil(error);
   XCTAssertNotNil(textureMessage);
@@ -123,8 +127,11 @@ - (void)testHLSControls {
   [videoPlayerPlugin initialize:&error];
   XCTAssertNil(error);
 
-  FLTCreateMessage *create = [[FLTCreateMessage alloc] init];
-  create.uri = uri;
+  FLTCreateMessage *create = [FLTCreateMessage makeWithAsset:nil
+                                                         uri:uri
+                                                 packageName:nil
+                                                  formatHint:nil
+                                                 httpHeaders:@{}];
   FLTTextureMessage *textureMessage = [videoPlayerPlugin create:create error:&error];
 
   NSNumber *textureId = textureMessage.textureId;

packages/video_player/video_player_avfoundation/ios/Classes/FLTVideoPlayerPlugin.m

@@ -179,7 +179,7 @@ - (instancetype)initWithURL:(NSURL *)url
                frameUpdater:(FLTFrameUpdater *)frameUpdater
                 httpHeaders:(nonnull NSDictionary<NSString *, NSString *> *)headers {
   NSDictionary<NSString *, id> *options = nil;
-  if (headers != nil && [headers count] != 0) {
+  if ([headers count] != 0) {
     options = @{@"AVURLAssetHTTPHeaderFieldsKey" : headers};
   }
   AVURLAsset *urlAsset = [AVURLAsset URLAssetWithURL:url options:options];