Format comment in native_stack_sampler.h

Change-Id: I4121159c9326842a2e868a58e34a00359b1756c9
Reviewed-on: https://chromium-review.googlesource.com/1088312Reviewed-by: Mike Wittman <wittman@chromium.org>
Commit-Queue: Xi Cheng <chengx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565047}

base/profiler/native_stack_sampler.h

@@ -78,8 +78,7 @@ class NativeStackSampler {
   virtual void RecordStackSample(StackBuffer* stackbuffer,
                                  StackSamplingProfiler::Sample* sample) = 0;
 
-  // Notifies the sampler that we've stopped recording the current
-  // profile.
+  // Notifies the sampler that we've stopped recording the current profile.
   virtual void ProfileRecordingStopped() = 0;
 
  protected: