Make unittests work in component build

src/wasm/module-decoder.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_DECODER_H_
 #define V8_WASM_MODULE_DECODER_H_
 
+#include "src/globals.h"
 #include "src/wasm/ast-decoder.h"
 #include "src/wasm/wasm-module.h"
 #include "src/wasm/wasm-result.h"
 
 namespace v8 {
 namespace internal {
 namespace wasm {
 
 typedef Result<const WasmModule*> ModuleResult;
 typedef Result<WasmFunction*> FunctionResult;
 typedef std::vector<std::pair<int, int>> FunctionOffsets;
 typedef Result<FunctionOffsets> FunctionOffsetsResult;
 typedef std::vector<std::vector<std::pair<int, int>>> AsmJsOffsets;
 typedef Result<AsmJsOffsets> AsmJsOffsetsResult;
 
 // Decodes the bytes of a WASM module between {module_start} and {module_end}.
 V8_EXPORT_PRIVATE ModuleResult DecodeWasmModule(Isolate* isolate, Zone* zone,
                                                 const byte* module_start,
                                                 const byte* module_end,
                                                 bool verify_functions,
                                                 ModuleOrigin origin);
 
 // Exposed for testing. Decodes a single function signature, allocating it
 // in the given zone. Returns {nullptr} upon failure.
-FunctionSig* DecodeWasmSignatureForTesting(Zone* zone, const byte* start,
-                                           const byte* end);
+V8_EXPORT_PRIVATE FunctionSig* DecodeWasmSignatureForTesting(Zone* zone,
+                                                             const byte* start,
+                                                             const byte* end);
 
 // Decodes the bytes of a WASM function between
 // {function_start} and {function_end}.
-FunctionResult DecodeWasmFunction(Isolate* isolate, Zone* zone, ModuleEnv* env,
-                                  const byte* function_start,
-                                  const byte* function_end);
+V8_EXPORT_PRIVATE FunctionResult DecodeWasmFunction(Isolate* isolate,
+                                                    Zone* zone, ModuleEnv* env,
+                                                    const byte* function_start,
+                                                    const byte* function_end);
 
 // Extracts the function offset table from the wasm module bytes.
 // Returns a vector with <offset, length> entries, or failure if the wasm bytes
 // are detected as invalid. Note that this validation is not complete.
 FunctionOffsetsResult DecodeWasmFunctionOffsets(
     const byte* module_start, const byte* module_end,
     uint32_t num_imported_functions);
 
-WasmInitExpr DecodeWasmInitExprForTesting(const byte* start, const byte* end);
+V8_EXPORT_PRIVATE WasmInitExpr DecodeWasmInitExprForTesting(const byte* start,
+                                                            const byte* end);
 
 // Extracts the mapping from wasm byte offset to asm.js source position per
 // function.
 // Returns a vector of vectors with <byte_offset, source_position> entries, or
 // failure if the wasm bytes are detected as invalid. Note that this validation
 // is not complete.
 AsmJsOffsetsResult DecodeAsmJsOffsets(const byte* module_start,
                                       const byte* module_end,
                                       uint32_t num_imported_functions);
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_MODULE_DECODER_H_