Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/runtime/gc/collector/mark_sweep.cc b/runtime/gc/collector/mark_sweep.cc
index c8e6032..5736e38 100644
--- a/runtime/gc/collector/mark_sweep.cc
+++ b/runtime/gc/collector/mark_sweep.cc
@@ -61,7 +61,7 @@
 
 // Performance options.
 static const bool kParallelMarkStack = true;
-static const bool kDisableFinger = true; // TODO: Fix, bit rotten.
+static const bool kDisableFinger = true;  // TODO: Fix, bit rotten.
 static const bool kUseMarkStackPrefetch = true;
 
 // Profiling and information flags.
@@ -1253,7 +1253,7 @@
   thread_pool->StartWorkers(self);
   thread_pool->Wait(self, true, true);
   mark_stack_->Reset();
-  //LOG(INFO) << "Idle wait time " << PrettyDuration(thread_pool->GetWaitTime());
+  // LOG(INFO) << "Idle wait time " << PrettyDuration(thread_pool->GetWaitTime());
   CHECK_EQ(work_chunks_created_, work_chunks_deleted_) << " some of the work chunks were leaked";
 }
 
diff --git a/runtime/gc/collector/mark_sweep.h b/runtime/gc/collector/mark_sweep.h
index 34136d4..d386fd6 100644
--- a/runtime/gc/collector/mark_sweep.h
+++ b/runtime/gc/collector/mark_sweep.h
@@ -424,7 +424,7 @@
 
   bool clear_soft_references_;
 
-  friend class AddIfReachesAllocSpaceVisitor; // Used by mod-union table.
+  friend class AddIfReachesAllocSpaceVisitor;  // Used by mod-union table.
   friend class CheckBitmapVisitor;
   friend class CheckObjectVisitor;
   friend class CheckReferenceVisitor;