base: Use std::move() instead of Pass() for real movable types.

base/trace_event/trace_event_memory.cc

 // Copyright 2013 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 "base/trace_event/trace_event_memory.h"
 
+#include <utility>
+
 #include "base/debug/leak_annotations.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_local_storage.h"
@@ skipping 125 matching lines @@
 
 }  // namespace
 
 //////////////////////////////////////////////////////////////////////////////
 
 TraceMemoryController::TraceMemoryController(
     scoped_refptr<SingleThreadTaskRunner> task_runner,
     HeapProfilerStartFunction heap_profiler_start_function,
     HeapProfilerStopFunction heap_profiler_stop_function,
     GetHeapProfileFunction get_heap_profile_function)
-    : task_runner_(task_runner.Pass()),
+    : task_runner_(std::move(task_runner)),
       heap_profiler_start_function_(heap_profiler_start_function),
       heap_profiler_stop_function_(heap_profiler_stop_function),
       get_heap_profile_function_(get_heap_profile_function),
       weak_factory_(this) {
   // Force the "memory" category to show up in the trace viewer.
   TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("memory"), "init");
   // Watch for the tracing system being enabled.
   TraceLog::GetInstance()->AddEnabledStateObserver(this);
 }
 
@@ skipping 264 matching lines @@
   if (!base::HexStringToUInt64(hex_address, &address))
     return "error";
   if (!address)
     return "null";
   // Note that this cast handles 64-bit to 32-bit conversion if necessary.
   return reinterpret_cast<const char*>(address);
 }
 
 }  // namespace trace_event
 }  // namespace base