Replace SmartPointer<T> with unique_ptr<T>

src/arm/codegen-arm.cc

 // Copyright 2012 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.
 
 #include "src/arm/codegen-arm.h"
 
 #if V8_TARGET_ARCH_ARM
 
+#include <memory>
+
 #include "src/arm/simulator-arm.h"
 #include "src/codegen.h"
 #include "src/macro-assembler.h"
 
 namespace v8 {
 namespace internal {
 
 
 #define __ masm.
 
@@ skipping 720 matching lines @@
 static const uint32_t kCodeAgePatchFirstInstruction = 0xe24f0008;
 #endif
 
 CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
   USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   // Since patcher is a large object, allocate it dynamically when needed,
   // to avoid overloading the stack in stress conditions.
   // DONT_FLUSH is used because the CodeAgingHelper is initialized early in
   // the process, before ARM simulator ICache is setup.
-  base::SmartPointer<CodePatcher> patcher(
+  std::unique_ptr<CodePatcher> patcher(
       new CodePatcher(isolate, young_sequence_.start(),
                       young_sequence_.length() / Assembler::kInstrSize,
                       CodePatcher::DONT_FLUSH));
   PredictableCodeSizeScope scope(patcher->masm(), young_sequence_.length());
   patcher->masm()->PushStandardFrame(r1);
   patcher->masm()->nop(ip.code());
 }
 
 
 #ifdef DEBUG
@@ skipping 40 matching lines @@
     patcher.masm()->ldr(pc, MemOperand(pc, -4));
     patcher.masm()->emit_code_stub_address(stub);
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM