Replace SmartPointer<T> with unique_ptr<T>

src/compiler/wasm-compiler.cc

 // Copyright 2015 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/compiler/wasm-compiler.h"
 
+#include <memory>
+
 #include "src/isolate-inl.h"
 
 #include "src/base/platform/elapsed-timer.h"
 #include "src/base/platform/platform.h"
 
 #include "src/compiler/access-builder.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/diamond.h"
 #include "src/compiler/graph-visualizer.h"
 #include "src/compiler/graph.h"
@@ skipping 3560 matching lines @@
   if (FLAG_trace_wasm_compiler) {
     OFStream os(stdout);
     os << "Compiling WASM function "
        << wasm::WasmFunctionName(function_, module_env_) << std::endl;
     os << std::endl;
   }
 
   double decode_ms = 0;
   size_t node_count = 0;
 
-  base::SmartPointer<Zone> graph_zone(graph_zone_.Detach());
+  std::unique_ptr<Zone> graph_zone(graph_zone_.release());
   SourcePositionTable* source_positions = BuildGraphForWasmFunction(&decode_ms);
 
   if (graph_construction_result_.failed()) {
     ok_ = false;
     return;
   }
 
   base::ElapsedTimer pipeline_timer;
   if (FLAG_trace_wasm_decode_time) {
     node_count = jsgraph_->graph()->NodeCount();
     pipeline_timer.Start();
   }
 
   // Run the compiler pipeline to generate machine code.
   CallDescriptor* descriptor = wasm::ModuleEnv::GetWasmCallDescriptor(
       &compilation_zone_, function_->sig);
   if (jsgraph_->machine()->Is32()) {
     descriptor =
         module_env_->GetI32WasmCallDescriptor(&compilation_zone_, descriptor);
   }
-  job_.Reset(Pipeline::NewWasmCompilationJob(&info_, jsgraph_->graph(),
+  job_.reset(Pipeline::NewWasmCompilationJob(&info_, jsgraph_->graph(),
                                              descriptor, source_positions));
 
   // The function name {OptimizeGraph()} is misleading but necessary because we
   // want to use the CompilationJob interface. A better name would be
   // ScheduleGraphAndSelectInstructions.
   ok_ = job_->OptimizeGraph() == CompilationJob::SUCCEEDED;
   // TODO(bradnelson): Improve histogram handling of size_t.
   // TODO(ahaas): The counters are not thread-safe at the moment.
   //    isolate_->counters()->wasm_compile_function_peak_memory_bytes()
   // ->AddSample(
@@ skipping 50 matching lines @@
                             function_->code_start_offset),
            compile_ms);
   }
 
   return code;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8