Remove deprecated ListValue::Append(Value*) overload on Linux.

chrome/browser/net/referrer.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/net/referrer.h"
 
 #include <limits.h>
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/values.h"
 #include "chrome/browser/net/predictor.h"
 
 namespace chrome_browser_net {
 
 //------------------------------------------------------------------------------
 // Smoothing parameter for updating subresource_use_rate_.
 
 // We always combine our old expected value, weighted by some factor W (we use
@@ skipping 100 matching lines @@
     // TODO(jar): We could be more direct, and change birth date or similar to
     // show that this is a resurrected value we're adding in.  I'm not yet sure
     // of how best to optimize the learning and pruning (Trim) algorithm at this
     // level, so for now, we just suggest subresources, which leaves them all
     // with the same birth date (typically start of process).
     SuggestHost(url);
     (*this)[url].SetSubresourceUseRate(rate);
   }
 }
 
-base::Value* Referrer::Serialize() const {
-  base::ListValue* subresource_list(new base::ListValue);
+std::unique_ptr<base::ListValue> Referrer::Serialize() const {
+  auto subresource_list = base::MakeUnique<base::ListValue>();
   for (const_iterator it = begin(); it != end(); ++it) {
-    std::unique_ptr<base::StringValue> url_spec(
-        new base::StringValue(it->first.spec()));
-    std::unique_ptr<base::FundamentalValue> rate(
-        new base::FundamentalValue(it->second.subresource_use_rate()));
-
-    subresource_list->Append(std::move(url_spec));
-    subresource_list->Append(std::move(rate));
+    subresource_list->AppendString(it->first.spec());
+    subresource_list->AppendDouble(it->second.subresource_use_rate());
   }
   return subresource_list;
 }
 
 //------------------------------------------------------------------------------
 
 ReferrerValue::ReferrerValue()
     : birth_time_(base::Time::Now()),
       navigation_count_(0),
       preconnection_count_(0),
@@ skipping 10 matching lines @@
 
 void ReferrerValue::ReferrerWasObserved() {
   subresource_use_rate_ *= kWeightingForOldConnectsExpectedValue;
   // Note: the use rate is temporarilly possibly incorect, as we need to find
   // out if we really end up connecting.  This will happen in a few hundred
   // milliseconds (when content arrives, etc.).
   // Value of subresource_use_rate_ should be sampled before this call.
 }
 
 }  // namespace chrome_browser_net