Initial import of v8-native WASM.

tools/gyp/v8.gyp

Index: tools/gyp/v8.gyp
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index b5d4d1b19705eb61b10def00d457e572e78b444b..225471b72fbdcc3364618032607f6613ceb8af6e 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -1463,7 +1463,29 @@
           ],
         }],
         ['v8_wasm!=0', {
-          'dependencies': ['../../third_party/wasm/src/wasm/wasm.gyp:wasm'],
+          'sources': [
+            '../../src/compiler/wasm-compiler.cc',
+            '../../src/compiler/wasm-compiler.h',
+            '../../src/compiler/wasm-linkage.cc',
+            '../../src/wasm/asm-wasm-builder.cc',
+            '../../src/wasm/asm-wasm-builder.h',
+            '../../src/wasm/ast-decoder.cc',
+            '../../src/wasm/ast-decoder.h',
+            '../../src/wasm/decoder.h',
+            '../../src/wasm/encoder.cc',
+            '../../src/wasm/encoder.h',
+            '../../src/wasm/module-decoder.cc',
+            '../../src/wasm/module-decoder.h',
+            '../../src/wasm/wasm-js.cc',
+            '../../src/wasm/wasm-js.h',
+            '../../src/wasm/wasm-macro-gen.h',
+            '../../src/wasm/wasm-module.cc',
+            '../../src/wasm/wasm-module.h',
+            '../../src/wasm/wasm-opcodes.cc',
+            '../../src/wasm/wasm-opcodes.h',
+            '../../src/wasm/wasm-result.cc',
+            '../../src/wasm/wasm-result.h',
+          ],
         }],
       ],
     },