[Android] Add a java.lang.System wrapper.

base/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
@@ skipping 83 matching lines @@
     "android/field_trial_list.cc",
     "android/field_trial_list.h",
     "android/fifo_utils.cc",
     "android/fifo_utils.h",
     "android/important_file_writer_android.cc",
     "android/important_file_writer_android.h",
     "android/java_handler_thread.cc",
     "android/java_handler_thread.h",
     "android/java_runtime.cc",
     "android/java_runtime.h",
+    "android/java_system.cc",
+    "android/java_system.h",
     "android/jni_android.cc",
     "android/jni_android.h",
     "android/jni_array.cc",
     "android/jni_array.h",
     "android/jni_registrar.cc",
     "android/jni_registrar.h",
     "android/jni_string.cc",
     "android/jni_string.h",
     "android/jni_utils.cc",
     "android/jni_utils.h",
@@ skipping 1446 matching lines @@
       "android/java/src/org/chromium/base/SystemMessageHandler.java",
       "android/java/src/org/chromium/base/ThreadUtils.java",
       "android/java/src/org/chromium/base/TraceEvent.java",
       "android/java/src/org/chromium/base/library_loader/LibraryLoader.java",
       "android/java/src/org/chromium/base/metrics/RecordHistogram.java",
       "android/java/src/org/chromium/base/metrics/RecordUserAction.java",
     ]
 
     deps = [
       ":android_runtime_jni_headers",
+      ":android_system_jni_headers",
     ]
 
     jni_package = "base"
   }
 
   # GYP: //base.gyp:android_runtime_jni_headers
   generate_jar_jni("android_runtime_jni_headers") {
     jni_package = "base"
     classes = [ "java/lang/Runtime.class" ]
   }
 
+  # GYP: //base.gyp:android_system_jni_headers
+  generate_jar_jni("android_system_jni_headers") {
+    jni_package = "base"
+    classes = [ "java/lang/System.class" ]
+  }
+
   # GYP: //base.gyp:base_java
   android_library("base_java") {
     srcjar_deps = [
       ":base_android_java_enums_srcjar",
       ":base_native_libraries_gen",
     ]
 
     deps = [
       "//third_party/jsr-305:jsr_305_javalib",
     ]
@@ skipping 64 matching lines @@
 
   # GYP: //base.gyp:base_java_unittest_support
   android_library("base_java_unittest_support") {
     deps = [
       ":base_java",
     ]
     java_files =
         [ "test/android/java/src/org/chromium/base/ContentUriTestUtils.java" ]
   }
 }