Change most uses of Pickle to base::Pickle

net/cert/x509_certificate_ios.cc

Index: net/cert/x509_certificate_ios.cc
diff --git a/net/cert/x509_certificate_ios.cc b/net/cert/x509_certificate_ios.cc
index bc76d08e566726e42ca858668b147f397f32bb31..9c3b333724e1dd2a2b7dd06c7ed73ff2f93aed5c 100644
--- a/net/cert/x509_certificate_ios.cc
+++ b/net/cert/x509_certificate_ios.cc
@@ -225,14 +225,14 @@ SHA1HashValue X509Certificate::CalculateCAFingerprint(
 }
 
 // static
-X509Certificate::OSCertHandle
-X509Certificate::ReadOSCertHandleFromPickle(PickleIterator* pickle_iter) {
+X509Certificate::OSCertHandle X509Certificate::ReadOSCertHandleFromPickle(
+    base::PickleIterator* pickle_iter) {
   return x509_util::ReadOSCertHandleFromPickle(pickle_iter);
 }
 
 // static
 bool X509Certificate::WriteOSCertHandleToPickle(OSCertHandle cert_handle,
-                                                Pickle* pickle) {
+                                                base::Pickle* pickle) {
   ScopedCFTypeRef<CFDataRef> cert_data(SecCertificateCopyData(cert_handle));
   if (!cert_data)
     return false;