IPC::Message -> base::Pickle

chrome/common/cast_messages.h

Index: chrome/common/cast_messages.h
diff --git a/chrome/common/cast_messages.h b/chrome/common/cast_messages.h
index 4d6b8f402cf929681c95590f139e10364c5f5829..f4db986f1ab946750a66bf6780a45eb0b4e8d3dc 100644
--- a/chrome/common/cast_messages.h
+++ b/chrome/common/cast_messages.h
@@ -21,8 +21,10 @@ namespace IPC {
 template<>
 struct ParamTraits<media::cast::RtpTimeTicks> {
   using param_type = media::cast::RtpTimeTicks;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, base::PickleIterator* iter, param_type* r);
+  static void Write(base::Pickle* m, const param_type& p);
+  static bool Read(const base::Pickle* m,
+                   base::PickleIterator* iter,
+                   param_type* r);
   static void Log(const param_type& p, std::string* l);
 };