Define a Java-side global application context.

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index aabfe67879f3e3a8656f91ff0025e458ff2bdcf4..e9bc061eb491f78fc54e70d776d60f71a3f05602 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -102,6 +102,8 @@ component("base") {
     "android/command_line_android.h",
     "android/content_uri_utils.cc",
     "android/content_uri_utils.h",
+    "android/context_utils.cc",
+    "android/context_utils.h",
     "android/cpu_features.cc",
     "android/cxa_demangle_stub.cc",
     "android/event_log.cc",
@@ -1613,6 +1615,7 @@ if (is_android) {
       "android/java/src/org/chromium/base/BuildInfo.java",
       "android/java/src/org/chromium/base/CommandLine.java",
       "android/java/src/org/chromium/base/ContentUriUtils.java",
+      "android/java/src/org/chromium/base/ContextUtils.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",