Change most uses of Pickle to base::Pickle

net/http/http_response_info.cc

Index: net/http/http_response_info.cc
diff --git a/net/http/http_response_info.cc b/net/http/http_response_info.cc
index ba118ac65bdb74480ad8914ab1cd922f444ae5d9..d569d0515f9dcbd9280aa4798553fa2d60898cbc 100644
--- a/net/http/http_response_info.cc
+++ b/net/http/http_response_info.cc
@@ -159,9 +159,9 @@ HttpResponseInfo& HttpResponseInfo::operator=(const HttpResponseInfo& rhs) {
   return *this;
 }
 
-bool HttpResponseInfo::InitFromPickle(const Pickle& pickle,
+bool HttpResponseInfo::InitFromPickle(const base::Pickle& pickle,
                                       bool* response_truncated) {
-  PickleIterator iter(pickle);
+  base::PickleIterator iter(pickle);
 
   // Read flags and verify version
   int flags;
@@ -287,7 +287,7 @@ bool HttpResponseInfo::InitFromPickle(const Pickle& pickle,
   return true;
 }
 
-void HttpResponseInfo::Persist(Pickle* pickle,
+void HttpResponseInfo::Persist(base::Pickle* pickle,
                                bool skip_transient_headers,
                                bool response_truncated) const {
   int flags = RESPONSE_INFO_VERSION;