Add shims to convert Tink Status/StatusOr to google3.

PiperOrigin-RevId: 203384667
GitOrigin-RevId: be4aa4ef88d1b6bba81a4a63a2c40d038b014854

cc/util/status.cc

@@ -17,6 +17,7 @@
 #include <sstream>
 
 #include "tink/util/status.h"
+// placeholder_google3_status_header, please ignore"
 
 using ::std::ostream;
 
@@ -40,6 +41,7 @@ const Status& GetUnknown() {
 
 }  // namespace
 
+// placeholder_implicit_type_conversion, please ignore
 
 Status::Status() : code_(::crypto::tink::util::error::OK), message_("") {
 }
@@ -52,10 +54,6 @@ Status::Status(::crypto::tink::util::error::Code error,
   }
 }
 
-Status::Status(const Status& other)
-    : code_(other.code_), message_(other.message_) {
-}
-
 Status& Status::operator=(const Status& other) {
   code_ = other.code_;
   message_ = other.message_;

cc/util/status.h

@@ -22,6 +22,8 @@
 
 #include <string>
 
+// placeholder_forward_declaration, please ignore
+
 namespace crypto {
 namespace tink {
 namespace util {
@@ -134,7 +136,6 @@ class Status {
   Status(::crypto::tink::util::error::Code error,
          const std::string& error_message);
 
-  Status(const Status& other);
   Status& operator=(const Status& other);
 
   // Some pre-defined Status objects
@@ -165,6 +166,8 @@ class Status {
 
   std::string ToString() const;
 
+  // placeholder_implicit_type_conversion, please ignore
+
  private:
   ::crypto::tink::util::error::Code code_;
   std::string message_;