cast channel error cleanup

extensions/browser/api/cast_channel/cast_channel_api.h

Index: extensions/browser/api/cast_channel/cast_channel_api.h
diff --git a/extensions/browser/api/cast_channel/cast_channel_api.h b/extensions/browser/api/cast_channel/cast_channel_api.h
index ebaf41867c7461caa50fc4d44f6b4d9916e30014..64da7eb4c0258ce3545ee4b81cad9ec9abbf1ad6 100644
--- a/extensions/browser/api/cast_channel/cast_channel_api.h
+++ b/extensions/browser/api/cast_channel/cast_channel_api.h
@@ -116,8 +116,9 @@ class CastChannelAsyncApiFunction : public AsyncApiFunction {
   void SetResultFromSocket(const cast_channel::CastSocket& socket);
 
   // Sets the function result to a ChannelInfo populated with |channel_id| and
-  // |error|.
-  void SetResultFromError(int channel_id, cast_channel::ChannelError error);
+  // |channel_error|.
+  void SetResultFromError(int channel_id,
+                          cast_channel::ChannelError channel_error);
 
   // Returns the socket corresponding to |channel_id| if one exists, or null
   // otherwise.
@@ -130,8 +131,8 @@ class CastChannelAsyncApiFunction : public AsyncApiFunction {
   // The API resource manager for CastSockets.
   ApiResourceManager<cast_channel::CastSocket>* manager_;
 
-  // The result of the function.
-  cast_channel::ChannelError error_;
+  // Whether the api function generated a channel error.
+  bool is_channel_error_;
 };
 
 class CastChannelOpenFunction : public CastChannelAsyncApiFunction {