Revert "Revert "[wasm] Complete separation of compilation and instantiation""

src/wasm/wasm-module.h

 // 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.
 
 #ifndef V8_WASM_MODULE_H_
 #define V8_WASM_MODULE_H_
 
 #include "src/api.h"
 #include "src/handles.h"
 #include "src/wasm/wasm-opcodes.h"
@@ skipping 206 matching lines @@
     return GetNameOrNull(function->name_offset, function->name_length);
   }
 
   // Checks the given offset range is contained within the module bytes.
   bool BoundsCheck(uint32_t start, uint32_t end) const {
     size_t size = module_end - module_start;
     return start <= size && end <= size;
   }
 
   // Creates a new instantiation of the module in the given isolate.
-  MaybeHandle<JSObject> Instantiate(Isolate* isolate, Handle<JSReceiver> ffi,
-                                    Handle<JSArrayBuffer> memory) const;
+  static MaybeHandle<JSObject> Instantiate(Isolate* isolate,
+                                           Handle<FixedArray> compiled_module,
+                                           Handle<JSReceiver> ffi,
+                                           Handle<JSArrayBuffer> memory);
 
-  Handle<FixedArray> CompileFunctions(Isolate* isolate) const;
+  MaybeHandle<FixedArray> CompileFunctions(Isolate* isolate) const;
 
   uint32_t FunctionTableSize() const {
     if (indirect_table_size > 0) {
       return indirect_table_size;
     }
     DCHECK_LE(function_table.size(), UINT32_MAX);
     return static_cast<uint32_t>(function_table.size());
   }
 };
 
@@ skipping 131 matching lines @@
 // given encoded module. The module should have no imports.
 int32_t CompileAndRunWasmModule(Isolate* isolate, const byte* module_start,
                                 const byte* module_end, bool asm_js = false);
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_MODULE_H_