Switch all buildbots to GN build

scripts/slave/recipes/pdfium.expected/try-linux_xfa_asan.json

Index: scripts/slave/recipes/pdfium.expected/try-linux_xfa_asan.json
diff --git a/scripts/slave/recipes/pdfium.expected/try-linux_xfa_asan.json b/scripts/slave/recipes/pdfium.expected/try-linux_xfa_asan.json
index 89c92e31cb78b143d7b453ecd25295fad8ed97fd..c69727eb99fcba7632c2e07188b1f35afc66fabe 100644
--- a/scripts/slave/recipes/pdfium.expected/try-linux_xfa_asan.json
+++ b/scripts/slave/recipes/pdfium.expected/try-linux_xfa_asan.json
@@ -61,13 +61,27 @@
     ],
     "cwd": "[SLAVE_BUILD]/pdfium",
     "env": {
-      "GYP_DEFINES": "pdf_enable_v8=1 pdf_enable_xfa=0",
+      "GYP_PDFIUM_NO_ACTION": "1",
+      "GYP_DEFINES": "pdf_enable_v8=1 pdf_enable_xfa=1 asan=1",
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
     "name": "gclient runhooks"
   },
   {
     "cmd": [
+      "python",
+      "-u",
+      "[DEPOT_TOOLS]/gn.py",
+      "--root=[SLAVE_BUILD]/pdfium",
+      "gen",
+      "//out/Debug",
+      "--args=is_debug=true pdf_enable_v8=true pdf_enable_xfa=true pdf_use_skia=false pdf_is_standalone=true is_asan=true"
+    ],
+    "cwd": "[SLAVE_BUILD]/pdfium",
+    "name": "gn gen"
+  },
+  {
+    "cmd": [
       "ninja",
       "-C",
       "[SLAVE_BUILD]/pdfium/out/Debug"
@@ -79,6 +93,9 @@
       "[SLAVE_BUILD]/pdfium/out/Debug/pdfium_unittests"
     ],
     "cwd": "[SLAVE_BUILD]/pdfium",
+    "env": {
+      "ASAN_OPTIONS": "detect_leaks=0:allocator_may_return_null=1"
+    },
     "name": "unittests"
   },
   {
@@ -86,6 +103,9 @@
       "[SLAVE_BUILD]/pdfium/out/Debug/pdfium_embeddertests"
     ],
     "cwd": "[SLAVE_BUILD]/pdfium",
+    "env": {
+      "ASAN_OPTIONS": "detect_leaks=0:allocator_may_return_null=1"
+    },
     "name": "embeddertests"
   },
   {
@@ -97,6 +117,9 @@
       "out/Debug"
     ],
     "cwd": "[SLAVE_BUILD]/pdfium",
+    "env": {
+      "ASAN_OPTIONS": "detect_leaks=0:allocator_may_return_null=1"
+    },
     "name": "javascript tests"
   },
   {
@@ -108,6 +131,9 @@
       "out/Debug"
     ],
     "cwd": "[SLAVE_BUILD]/pdfium",
+    "env": {
+      "ASAN_OPTIONS": "detect_leaks=0:allocator_may_return_null=1"
+    },
     "name": "pixel tests"
   },
   {
@@ -119,6 +145,9 @@
       "out/Debug"
     ],
     "cwd": "[SLAVE_BUILD]/pdfium",
+    "env": {
+      "ASAN_OPTIONS": "detect_leaks=0:allocator_may_return_null=1"
+    },
     "name": "corpus tests"
   },
   {
@@ -126,4 +155,4 @@
     "recipe_result": null,
     "status_code": 0
   }
-]
+]