Revert of 🍈 Unify application context usage.

base/android/context_utils.h

Index: base/android/context_utils.h
diff --git a/base/android/context_utils.h b/base/android/context_utils.h
index f172d932e969e82e71a8f99886267efd80afc325..52895a9a5306382d747942543e4492428f524a93 100644
--- a/base/android/context_utils.h
+++ b/base/android/context_utils.h
@@ -18,6 +18,14 @@
 // must NOT release it.
 BASE_EXPORT jobject GetApplicationContext();
 
+// Initialize the global application context object.
+// Either this or the Java equivalent ContextUtils.initApplicationContext must
+// be called once during startup. JNI bindings must have been initialized, as
+// the context is stored on both sides.
+BASE_EXPORT void InitApplicationContext(
+    JNIEnv* env,
+    const base::android::JavaRef<jobject>& context);
+
 bool RegisterContextUtils(JNIEnv* env);
 
 }  // namespace android