Add missing files/deps/defines

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 7257753a9d85658401d4f77b4e30f95a0fe2444c..0e1c1c0a3f646422f914b293a80d49dbfdb2586e 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -30,6 +30,8 @@ component("base") {
     "android/cpu_features.cc",
     "android/event_log.cc",
     "android/event_log.h",
+    "android/field_trial_list.cc",
+    "android/field_trial_list.h",
     "android/fifo_utils.cc",
     "android/fifo_utils.h",
     "android/important_file_writer_android.cc",
@@ -1315,6 +1317,7 @@ if (is_android) {
       "android/java/src/org/chromium/base/ContentUriUtils.java",
       "android/java/src/org/chromium/base/CpuFeatures.java",
       "android/java/src/org/chromium/base/EventLog.java",
+      "android/java/src/org/chromium/base/FieldTrialList.java",
       "android/java/src/org/chromium/base/ImportantFileWriterAndroid.java",
       "android/java/src/org/chromium/base/library_loader/LibraryLoader.java",
       "android/java/src/org/chromium/base/MemoryPressureListener.java",