Synchronize with r15701.

src/hydrogen-removable-simulates.h

Index: src/hydrogen-removable-simulates.h
diff --git a/src/hydrogen-sce.h b/src/hydrogen-removable-simulates.h
similarity index 82%
copy from src/hydrogen-sce.h
copy to src/hydrogen-removable-simulates.h
index 55e153e0ed5ee3481669ee5c991f81238d51176e..f5bcd6ddfa8c67dfa338af91f46d847fd4212062 100644
--- a/src/hydrogen-sce.h
+++ b/src/hydrogen-removable-simulates.h
@@ -25,8 +25,8 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#ifndef V8_HYDROGEN_SCE_H_
-#define V8_HYDROGEN_SCE_H_
+#ifndef V8_HYDROGEN_REMOVABLE_SIMULATES_H_
+#define V8_HYDROGEN_REMOVABLE_SIMULATES_H_
 
 #include "hydrogen.h"
 
@@ -34,15 +34,18 @@ namespace v8 {
 namespace internal {
 
 
-class HStackCheckEliminationPhase : public HPhase {
+class HMergeRemovableSimulatesPhase : public HPhase {
  public:
-  explicit HStackCheckEliminationPhase(HGraph* graph)
-      : HPhase("H_Stack check elimination", graph) { }
+  explicit HMergeRemovableSimulatesPhase(HGraph* graph)
+      : HPhase("H_Merge removable simulates", graph) { }
 
   void Run();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(HMergeRemovableSimulatesPhase);
 };
 
 
 } }  // namespace v8::internal
 
-#endif  // V8_HYDROGEN_SCE_H_
+#endif  // V8_HYDROGEN_REMOVABLE_SIMULATES_H_