[cleanup] Transfer ownership for compilation jobs

Make NewCompilationJob methods return a unique_ptr to explicitly
transfer ownership.

R=mstarzinger@chromium.org

Bug: v8:9183
Change-Id: I1cc6614cc1941b1b27489443a3c330cf6e88f089
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1660474
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62206}

src/asmjs/asm-js.cc

@@ -319,10 +319,10 @@ void AsmJsCompilationJob::RecordHistograms(Isolate* isolate) {
       translation_throughput);
 }
 
-UnoptimizedCompilationJob* AsmJs::NewCompilationJob(
+std::unique_ptr<UnoptimizedCompilationJob> AsmJs::NewCompilationJob(
     ParseInfo* parse_info, FunctionLiteral* literal,
     AccountingAllocator* allocator) {
-  return new AsmJsCompilationJob(parse_info, literal, allocator);
+  return base::make_unique<AsmJsCompilationJob>(parse_info, literal, allocator);
 }
 
 namespace {

src/asmjs/asm-js.h

@@ -23,7 +23,7 @@ class UnoptimizedCompilationJob;
 // Interface to compile and instantiate for asm.js modules.
 class AsmJs {
  public:
-  static UnoptimizedCompilationJob* NewCompilationJob(
+  static std::unique_ptr<UnoptimizedCompilationJob> NewCompilationJob(
       ParseInfo* parse_info, FunctionLiteral* literal,
       AccountingAllocator* allocator);
   static MaybeHandle<Object> InstantiateAsmWasm(Isolate* isolate,

src/compiler/pipeline.cc

@@ -2479,11 +2479,11 @@ MaybeHandle<Code> Pipeline::GenerateCodeForTesting(
 }
 
 // static
-OptimizedCompilationJob* Pipeline::NewCompilationJob(
+std::unique_ptr<OptimizedCompilationJob> Pipeline::NewCompilationJob(
     Isolate* isolate, Handle<JSFunction> function, bool has_script) {
   Handle<SharedFunctionInfo> shared =
       handle(function->shared(), function->GetIsolate());
-  return new PipelineCompilationJob(isolate, shared, function);
+  return base::make_unique<PipelineCompilationJob>(isolate, shared, function);
 }
 
 // static

src/compiler/pipeline.h

@@ -41,9 +41,8 @@ class SourcePositionTable;
 class Pipeline : public AllStatic {
  public:
   // Returns a new compilation job for the given JavaScript function.
-  static OptimizedCompilationJob* NewCompilationJob(Isolate* isolate,
-                                                    Handle<JSFunction> function,
-                                                    bool has_script);
+  static std::unique_ptr<OptimizedCompilationJob> NewCompilationJob(
+      Isolate* isolate, Handle<JSFunction> function, bool has_script);
 
   // Run the pipeline for the WebAssembly compilation info.
   static void GenerateCodeForWasmFunction(

src/interpreter/interpreter.cc

@@ -230,12 +230,12 @@ InterpreterCompilationJob::Status InterpreterCompilationJob::FinalizeJobImpl(
   return SUCCEEDED;
 }
 
-UnoptimizedCompilationJob* Interpreter::NewCompilationJob(
+std::unique_ptr<UnoptimizedCompilationJob> Interpreter::NewCompilationJob(
     ParseInfo* parse_info, FunctionLiteral* literal,
     AccountingAllocator* allocator,
     std::vector<FunctionLiteral*>* eager_inner_literals) {
-  return new InterpreterCompilationJob(parse_info, literal, allocator,
-                                       eager_inner_literals);
+  return base::make_unique<InterpreterCompilationJob>(
+      parse_info, literal, allocator, eager_inner_literals);
 }
 
 void Interpreter::ForEachBytecode(

src/interpreter/interpreter.h

@@ -43,7 +43,7 @@ class Interpreter {
   // Creates a compilation job which will generate bytecode for |literal|.
   // Additionally, if |eager_inner_literals| is not null, adds any eagerly
   // compilable inner FunctionLiterals to this list.
-  static UnoptimizedCompilationJob* NewCompilationJob(
+  static std::unique_ptr<UnoptimizedCompilationJob> NewCompilationJob(
       ParseInfo* parse_info, FunctionLiteral* literal,
       AccountingAllocator* allocator,
       std::vector<FunctionLiteral*>* eager_inner_literals);