Fix presubmit error.

src/hydrogen.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 731 matching lines @@
     } else {
       for (int j = 0; j < blocks_[i]->predecessors()->length(); ++j) {
         blocks_[i]->AssignCommonDominator(blocks_[i]->predecessors()->at(j));
       }
     }
   }
 }
 
 // Mark all blocks that are dominated by an unconditional soft deoptimize to
 // prevent code motion across those blocks.
-void HGraph::PropagateDeoptimizingMark()
-{
+void HGraph::PropagateDeoptimizingMark() {
   HPhase phase("Propagate deoptimizing mark", this);
   MarkAsDeoptimizingRecursively(entry_block());
 }
 
 void HGraph::MarkAsDeoptimizingRecursively(HBasicBlock* block) {
   for (int i = 0; i < block->dominated_blocks()->length(); ++i) {
     HBasicBlock* dominated = block->dominated_blocks()->at(i);
     if (block->IsDeoptimizing()) dominated->MarkAsDeoptimizing();
     MarkAsDeoptimizingRecursively(dominated);
   }
@@ skipping 5968 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify();
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal