Revert "build: roll infra_paths changes"

scripts/slave/recipes/webrtc/ios.expected/trybot.json

Index: scripts/slave/recipes/webrtc/ios.expected/trybot.json
diff --git a/scripts/slave/recipes/webrtc/ios.expected/trybot.json b/scripts/slave/recipes/webrtc/ios.expected/trybot.json
index 4e361d5ad4609514da5cb6abb991934189048413..a04a113ec88a0d4c63dea4264d0f2fb703aeb4ff 100644
--- a/scripts/slave/recipes/webrtc/ios.expected/trybot.json
+++ b/scripts/slave/recipes/webrtc/ios.expected/trybot.json
@@ -5,6 +5,7 @@
       "--json-file",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "host and tools info",
     "~followup_annotations": [
       "@@@STEP_TEXT@<br />OS X 1.2.3, Xcode 6.7.8 (5D342509a)@@@",
@@ -33,19 +34,20 @@
       "--slave",
       "fake-vm",
       "--spec",
-      "cache_dir = '[ROOT]/b/build/slave/cache_dir'\nsolutions = [{'deps_file': 'DEPS', 'managed': True, 'name': 'src', 'url': 'https://chromium.googlesource.com/external/webrtc'}, {'deps_file': 'DEPS', 'managed': True, 'name': 'webrtc-limited', 'url': 'https://chrome-internal.googlesource.com/chrome/deps/webrtc-limited'}]\ntarget_os = ['ios', 'mac']",
+      "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': 'DEPS', 'managed': True, 'name': 'src', 'url': 'https://chromium.googlesource.com/external/webrtc'}, {'deps_file': 'DEPS', 'managed': True, 'name': 'webrtc-limited', 'url': 'https://chrome-internal.googlesource.com/chrome/deps/webrtc-limited'}]\ntarget_os = ['ios', 'mac']",
       "--root",
       "src",
       "--revision_mapping_file",
       "{\"src\": \"got_revision\"}",
       "--git-cache-dir",
-      "[ROOT]/b/build/slave/cache_dir",
+      "[GIT_CACHE]",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
       "src@HEAD",
       "--output_manifest"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -63,9 +65,10 @@
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
-      "[CWD]/src/webrtc/build/ios/chromium.fake/ios.json",
+      "[SLAVE_BUILD]/src/webrtc/build/ios/chromium.fake/ios.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "read build config",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -90,6 +93,7 @@
       "-e",
       "{\n  \"GYP_DEFINES\": {\n    \"OS\": \"ios\", \n    \"component\": \"static_library\", \n    \"fake gyp define 1\": \"fake value 1\", \n    \"fake gyp define 2\": \"fake value 2\", \n    \"use_goma\": \"1\"\n  }, \n  \"additional_compile_targets\": [\n    \"All\"\n  ], \n  \"compiler\": \"ninja\", \n  \"configuration\": \"Release\", \n  \"env\": {}, \n  \"gn_args\": [], \n  \"mb_type\": null, \n  \"sdk\": \"iphoneos8.0\", \n  \"tests\": [], \n  \"triggered bots\": {}, \n  \"use_analyze\": \"false\", \n  \"xcode version\": \"fake xcode version\"\n}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "finalize build config"
   },
   {
@@ -100,6 +104,7 @@
       "--version",
       "fake xcode version"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "find xcode",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
@@ -113,6 +118,7 @@
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_CROSSCOMPILE": "1",
       "GYP_DEFINES": "use_goma=1 fake gyp define 1=fake value 1 fake gyp define 2=fake value 2 component=static_library OS=ios",
@@ -132,10 +138,11 @@
       "-u",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/clang_revision.py",
       "--src-dir",
-      "[CWD]/src",
+      "[SLAVE_BUILD]/src",
       "--output-json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
@@ -162,9 +169,9 @@
       "--target",
       "Release-iphoneos",
       "--src-dir",
-      "[CWD]/src",
+      "[SLAVE_BUILD]/src",
       "--goma-cache-dir",
-      "[ROOT]/b/build/slave/goma_cache",
+      "[GOMA_CACHE]",
       "--build-tool",
       "ninja",
       "--compiler",
@@ -174,11 +181,11 @@
       "--goma-service-account-json-file",
       "/creds/service_accounts/service-account-goma-client.json",
       "--goma-dir",
-      "[ROOT]/b/build/goma",
+      "[BUILD]/goma",
       "--",
       "All"
     ],
-    "cwd": "[CWD]/src/out/Release-iphoneos",
+    "cwd": "[SLAVE_BUILD]/src/out/Release-iphoneos",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },