Fix code style and gyp files in cast to build cast_unittest

media/cast/cast_config.h

Index: media/cast/cast_config.h
diff --git a/media/cast/cast_config.h b/media/cast/cast_config.h
index 988924aab45f76d3d2175a19c822674f8634300a..276429a73f17d8f092dfa090d3a393ec78d9bcb9 100644
--- a/media/cast/cast_config.h
+++ b/media/cast/cast_config.h
@@ -176,6 +176,7 @@ class PacketSender {
  public:
   // All packets to be sent to the network will be delivered via this function.
   virtual bool SendPacket(const uint8* packet, int length) = 0;
+  virtual bool SendPacket(const std::vector<uint8>& packet);
 
   virtual ~PacketSender() {}
 };
@@ -187,7 +188,11 @@ class PacketReceiver : public base::RefCountedThreadSafe<PacketReceiver> {
   virtual void ReceivedPacket(const uint8* packet, int length,
                               const base::Closure callback) = 0;
 
+ protected:
   virtual ~PacketReceiver() {}
+
+ private:
+  friend class base::RefCountedThreadSafe<PacketReceiver>;
 };
 
 class VideoEncoderController {