Reland of [refactoring] Split CodeAssemblerState out of CodeAssembler

src/code-stub-assembler.h

Index: src/code-stub-assembler.h
diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
index 141da16e24e1aa7e7887a2f9c9cc44949f250967..de07aa60033e287200be13ac8da77824b155940e 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -44,17 +44,8 @@ enum class PrimitiveType { kBoolean, kNumber, kString, kSymbol };
 // from a compiler directory OWNER).
 class V8_EXPORT_PRIVATE CodeStubAssembler : public compiler::CodeAssembler {
  public:
-  // Create with CallStub linkage.
-  // |result_size| specifies the number of results returned by the stub.
-  // TODO(rmcilroy): move result_size to the CallInterfaceDescriptor.
-  CodeStubAssembler(Isolate* isolate, Zone* zone,
-                    const CallInterfaceDescriptor& descriptor,
-                    Code::Flags flags, const char* name,
-                    size_t result_size = 1);
-
-  // Create with JSCall linkage.
-  CodeStubAssembler(Isolate* isolate, Zone* zone, int parameter_count,
-                    Code::Flags flags, const char* name);
+  CodeStubAssembler(compiler::CodeAssemblerState* state)
+      : compiler::CodeAssembler(state) {}
 
   enum AllocationFlag : uint8_t {
     kNone = 0,