Make recipes use the new way of enabling goma.

scripts/slave/recipe_modules/chromium/config.expected/Release-win.intel.64-to-win.intel.64.json

 {
   "android": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
-      "compiler": "goma"
+      "compiler": "goma", 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "OS=win chromium_win_pch=0 component=static_library fastbuild=1 host_os=win target_arch=x64", 
+      "GYP_DEFINES": "OS=win chromium_win_pch=0 component=static_library fastbuild=1 gomadir=Path('[BUILD]', 'goma') host_os=win target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "android_defaults": "Can only build android on linux.", 
   "blink": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
       "compiler": "goma", 
       "default_targets": [
         "blink_tests"
-      ]
+      ], 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "chromium_win_pch=0 component=static_library fastbuild=1 target_arch=x64", 
+      "GYP_DEFINES": "chromium_win_pch=0 component=static_library fastbuild=1 gomadir=Path('[BUILD]', 'goma') target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "blink_clang": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
       "compiler": "goma-clang", 
       "default_targets": [
         "blink_tests"
-      ]
+      ], 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "chromium_win_pch=0 clang=1 component=static_library fastbuild=1 target_arch=x64", 
+      "GYP_DEFINES": "chromium_win_pch=0 clang=1 component=static_library fastbuild=1 gomadir=Path('[BUILD]', 'goma') target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "chromium": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
       "compiler": "goma", 
       "default_targets": [
         "All", 
         "chromium_builder_tests"
-      ]
+      ], 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "chromium_win_pch=0 component=static_library fastbuild=1 target_arch=x64", 
+      "GYP_DEFINES": "chromium_win_pch=0 component=static_library fastbuild=1 gomadir=Path('[BUILD]', 'goma') target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "chromium_asan": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
       "compiler": "goma-clang", 
       "default_targets": [
         "All", 
         "chromium_builder_tests"
-      ]
+      ], 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "asan=1 chromium_win_pch=0 clang=1 component=static_library fastbuild=1 lsan=1 target_arch=x64", 
+      "GYP_DEFINES": "asan=1 chromium_win_pch=0 clang=1 component=static_library fastbuild=1 gomadir=Path('[BUILD]', 'goma') lsan=1 target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "chromium_chromeos": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
       "compiler": "goma", 
       "default_targets": [
         "All", 
         "chromium_builder_tests"
-      ]
+      ], 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "chromeos=1 chromium_win_pch=0 component=static_library fastbuild=1 ffmpeg_branding=ChromeOS proprietary_codecs=1 target_arch=x64", 
+      "GYP_DEFINES": "chromeos=1 chromium_win_pch=0 component=static_library fastbuild=1 ffmpeg_branding=ChromeOS gomadir=Path('[BUILD]', 'goma') proprietary_codecs=1 target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "chromium_chromeos_asan": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
       "compiler": "goma-clang", 
       "default_targets": [
         "All", 
         "chromium_builder_tests"
-      ]
+      ], 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "asan=1 chromeos=1 chromium_win_pch=0 clang=1 component=static_library fastbuild=1 ffmpeg_branding=ChromeOS lsan=1 proprietary_codecs=1 target_arch=x64", 
+      "GYP_DEFINES": "asan=1 chromeos=1 chromium_win_pch=0 clang=1 component=static_library fastbuild=1 ffmpeg_branding=ChromeOS gomadir=Path('[BUILD]', 'goma') lsan=1 proprietary_codecs=1 target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "chromium_chromeos_clang": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
       "compiler": "goma-clang", 
       "default_targets": [
         "All", 
         "chromium_builder_tests"
-      ]
+      ], 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "chromeos=1 chromium_win_pch=0 clang=1 component=static_library fastbuild=1 ffmpeg_branding=ChromeOS proprietary_codecs=1 target_arch=x64", 
+      "GYP_DEFINES": "chromeos=1 chromium_win_pch=0 clang=1 component=static_library fastbuild=1 ffmpeg_branding=ChromeOS gomadir=Path('[BUILD]', 'goma') proprietary_codecs=1 target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "chromium_clang": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": false, 
       "compiler": "goma-clang", 
       "default_targets": [
         "All", 
         "chromium_builder_tests"
-      ]
+      ], 
+      "goma_dir": "Path('[BUILD]', 'goma')"
     }, 
     "gyp_env": {
-      "GYP_DEFINES": "chromium_win_pch=0 clang=1 component=static_library fastbuild=1 target_arch=x64", 
+      "GYP_DEFINES": "chromium_win_pch=0 clang=1 component=static_library fastbuild=1 gomadir=Path('[BUILD]', 'goma') target_arch=x64 use_goma=1", 
       "GYP_GENERATORS": "ninja", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "chromium_official": {
     "build_config_fs": "Release_x64", 
     "build_dir": "Path('[CHECKOUT]', 'out')", 
     "compile_py": {
       "build_tool": "ninja", 
       "clobber": true, 
@@ skipping 58 matching lines @@
       "GYP_DEFINES": "target_arch=x64 v8_target_arch=x64", 
       "GYP_MSVS_VERSION": "2012"
     }
   }, 
   "webrtc_android_apk_try_builder": "Only \"android\" platform is supported (got: \"win\")", 
   "x86_builder": "config \"x86_builder\" includes \"android_defaults\", but [Can only build android on linux.]", 
   "x86_try_builder": "config \"x86_try_builder\" includes \"x86_builder\", but [config \"x86_builder\" includes \"android_defaults\", but [Can only build android on linux.]]", 
   "x86_try_instrumentation_tests": "config \"x86_try_instrumentation_tests\" includes \"x86_builder\", but [config \"x86_builder\" includes \"android_defaults\", but [Can only build android on linux.]]", 
   "xcodebuild": "can not use xcodebuild on \"win\""
 }