Fix presubmit errors.

src/lithium-allocator.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 837 matching lines @@
         bool is_tagged = HasTaggedValue(cur_input->virtual_register());
         AllocateFixed(cur_input, gap_index + 1, is_tagged);
         AddConstraintsGapMove(gap_index, input_copy, cur_input);
       } else if (cur_input->policy() == LUnallocated::WRITABLE_REGISTER) {
         // The live range of writable input registers always goes until the end
         // of the instruction.
         ASSERT(!cur_input->IsUsedAtStart());
 
         LUnallocated* input_copy = cur_input->CopyUnconstrained();
         cur_input->set_virtual_register(GetVirtualRegister());
-        if(!AllocationOk()) return;
+        if (!AllocationOk()) return;
 
         if (RequiredRegisterKind(input_copy->virtual_register()) ==
             DOUBLE_REGISTERS) {
           double_artificial_registers_.Add(
               cur_input->virtual_register() - first_artificial_register_);
         }
 
         AddConstraintsGapMove(gap_index, input_copy, cur_input);
       }
     }
@@ skipping 1250 matching lines @@
     LiveRange* current = live_ranges()->at(i);
     if (current != NULL) current->Verify();
   }
 }
 
 
 #endif
 
 
 } }  // namespace v8::internal