[presubmit] Enabling readability/inheritance linter checking.

test/cctest/compiler/test-gap-resolver.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // TODO(jochen): Remove this after the setting is turned on globally.
 #define V8_IMMINENT_DEPRECATION_WARNINGS
 
 #include "src/compiler/gap-resolver.h"
 
 #include "src/base/utils/random-number-generator.h"
@@ skipping 118 matching lines @@
 
   OperandMap values_;
 };
 
 
 // An abstract interpreter for moves, swaps and parallel moves.
 class MoveInterpreter : public GapResolver::Assembler {
  public:
   explicit MoveInterpreter(Zone* zone) : zone_(zone) {}
 
-  virtual void AssembleMove(InstructionOperand* source,
-                            InstructionOperand* destination) override {
+  void AssembleMove(InstructionOperand* source,
+                    InstructionOperand* destination) override {
     ParallelMove* moves = new (zone_) ParallelMove(zone_);
     moves->AddMove(*source, *destination);
     state_.ExecuteInParallel(moves);
   }
 
-  virtual void AssembleSwap(InstructionOperand* source,
-                            InstructionOperand* destination) override {
+  void AssembleSwap(InstructionOperand* source,
+                    InstructionOperand* destination) override {
     ParallelMove* moves = new (zone_) ParallelMove(zone_);
     moves->AddMove(*source, *destination);
     moves->AddMove(*destination, *source);
     state_.ExecuteInParallel(moves);
   }
 
   void AssembleParallelMove(const ParallelMove* moves) {
     state_.ExecuteInParallel(moves);
   }
 
@@ skipping 95 matching lines @@
       resolver.Resolve(pm);
 
       CHECK(mi1.state() == mi2.state());
     }
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8