[wasm] Rename encoder.(cc,h) to wasm-module-builder.(cc,h)

test/unittests/BUILD.gn

 # Copyright 2016 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.
 
 import("../../gni/v8.gni")
 
 v8_executable("unittests") {
   testonly = true
 
   sources = [
@@ skipping 104 matching lines @@
     "register-configuration-unittest.cc",
     "run-all-unittests.cc",
     "source-position-table-unittest.cc",
     "test-utils.cc",
     "test-utils.h",
     "value-serializer-unittest.cc",
     "wasm/asm-types-unittest.cc",
     "wasm/ast-decoder-unittest.cc",
     "wasm/control-transfer-unittest.cc",
     "wasm/decoder-unittest.cc",
-    "wasm/encoder-unittest.cc",
     "wasm/leb-helper-unittest.cc",
     "wasm/loop-assignment-analysis-unittest.cc",
     "wasm/module-decoder-unittest.cc",
     "wasm/switch-logic-unittest.cc",
     "wasm/wasm-macro-gen-unittest.cc",
+    "wasm/wasm-module-builder-unittest.cc",
   ]
 
   if (v8_current_cpu == "arm") {
     sources += [ "compiler/arm/instruction-selector-arm-unittest.cc" ]
   } else if (v8_current_cpu == "arm64") {
     sources += [ "compiler/arm64/instruction-selector-arm64-unittest.cc" ]
   } else if (v8_current_cpu == "x86") {
     sources += [ "compiler/ia32/instruction-selector-ia32-unittest.cc" ]
   } else if (v8_current_cpu == "mips" || v8_current_cpu == "mipsel") {
     sources += [ "compiler/mips/instruction-selector-mips-unittest.cc" ]
@@ skipping 41 matching lines @@
 
     # Suppress warnings about importing locally defined symbols.
     if (is_component_build) {
       ldflags = [
         "/ignore:4049",
         "/ignore:4217",
       ]
     }
   }
 }