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

base/profiler/stack_sampling_profiler.cc

Index: base/profiler/stack_sampling_profiler.cc
diff --git a/base/profiler/stack_sampling_profiler.cc b/base/profiler/stack_sampling_profiler.cc
index c7e38c0e52cb65137c8eb8d17ca807acfafd90c8..52b412d3f56e24630f19e07bd78f606218f10ae8 100644
--- a/base/profiler/stack_sampling_profiler.cc
+++ b/base/profiler/stack_sampling_profiler.cc
@@ -5,6 +5,7 @@
 #include "base/profiler/stack_sampling_profiler.h"
 
 #include <algorithm>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ -113,11 +114,10 @@ StackSamplingProfiler::SamplingThread::SamplingThread(
     scoped_ptr<NativeStackSampler> native_sampler,
     const SamplingParams& params,
     const CompletedCallback& completed_callback)
-    : native_sampler_(native_sampler.Pass()),
+    : native_sampler_(std::move(native_sampler)),
       params_(params),
       stop_event_(false, false),
-      completed_callback_(completed_callback) {
-}
+      completed_callback_(completed_callback) {}
 
 StackSamplingProfiler::SamplingThread::~SamplingThread() {}
 
@@ -256,8 +256,8 @@ void StackSamplingProfiler::Start() {
   if (!native_sampler)
     return;
 
-  sampling_thread_.reset(
-      new SamplingThread(native_sampler.Pass(), params_, completed_callback_));
+  sampling_thread_.reset(new SamplingThread(std::move(native_sampler), params_,
+                                            completed_callback_));
   if (!PlatformThread::Create(0, sampling_thread_.get(),
                               &sampling_thread_handle_))
     sampling_thread_.reset();