base::ListValue::Append cleanup: pass unique_ptr instead of the released pointer.

content/renderer/devtools/v8_sampling_profiler_browsertest.cc

 // Copyright (c) 2014 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 "content/renderer/devtools/v8_sampling_profiler.h"
+
 #include <stddef.h>
 
+#include <utility>
+
 #include "base/json/json_reader.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/run_loop.h"
 #include "base/trace_event/trace_buffer.h"
 #include "base/trace_event/trace_event.h"
 #include "content/public/test/render_view_test.h"
-#include "content/renderer/devtools/v8_sampling_profiler.h"
 
 using base::DictionaryValue;
 using base::ListValue;
 using base::Value;
 using base::trace_event::TraceConfig;
 using base::trace_event::TraceLog;
 using base::trace_event::TraceResultBuffer;
 
 namespace content {
 
@@ skipping 44 matching lines @@
     }
 
     ListValue* root_list = NULL;
     ASSERT_TRUE(root.get());
     ASSERT_TRUE(root->GetAsList(&root_list));
 
     // Move items into our aggregate collection
     while (root_list->GetSize()) {
       std::unique_ptr<Value> item;
       root_list->Remove(0, &item);
-      trace_parsed_.Append(item.release());
+      trace_parsed_.Append(std::move(item));
     }
 
     if (!has_more_events)
       flush_complete_event->Signal();
   }
 
   void CollectTrace(int code_added_events, int sample_events) {
     TraceLog* trace_log = TraceLog::GetInstance();
     sampling_profiler_->EnableSamplingEventForTesting(code_added_events,
                                                       sample_events);
@@ skipping 54 matching lines @@
 }
 
 TEST_F(V8SamplingProfilerTest, V8SamplingSamplesCollected) {
   CollectTrace(0, 1);
   int sample_events_count = CountEvents("V8Sample");
   CHECK_LT(0, sample_events_count);
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace content