Move SmartPointer to base.

src/mips64/codegen-mips64.cc

Index: src/mips64/codegen-mips64.cc
diff --git a/src/mips64/codegen-mips64.cc b/src/mips64/codegen-mips64.cc
index 4f45b08018a7be42c9f9fa8bc75969efa8308746..1602ed25b5a5ddc4ce7a3f600c23763e5c38f002 100644
--- a/src/mips64/codegen-mips64.cc
+++ b/src/mips64/codegen-mips64.cc
@@ -1082,10 +1082,9 @@ CodeAgingHelper::CodeAgingHelper() {
   // to avoid overloading the stack in stress conditions.
   // DONT_FLUSH is used because the CodeAgingHelper is initialized early in
   // the process, before MIPS simulator ICache is setup.
-  SmartPointer<CodePatcher> patcher(
-      new CodePatcher(young_sequence_.start(),
-                      young_sequence_.length() / Assembler::kInstrSize,
-                      CodePatcher::DONT_FLUSH));
+  base::SmartPointer<CodePatcher> patcher(new CodePatcher(
+      young_sequence_.start(), young_sequence_.length() / Assembler::kInstrSize,
+      CodePatcher::DONT_FLUSH));
   PredictableCodeSizeScope scope(patcher->masm(), young_sequence_.length());
   patcher->masm()->Push(ra, fp, cp, a1);
   patcher->masm()->nop(Assembler::CODE_AGE_SEQUENCE_NOP);