Rewrite the Android implementation of BatteryMonitor directly in Java.

content/content_tests.gypi

 # 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.
 
 {
   'variables': {
     'layouttest_support_content_sources': [
       'public/test/layouttest_support.h',
       'public/test/nested_message_pump_android.cc',
       'public/test/nested_message_pump_android.h',
@@ skipping 1357 matching lines @@
             ['OS!="android"', {
               'sources!': [
                 'browser/accessibility/android_granularity_movement_browsertest.cc',
                 'browser/accessibility/android_hit_testing_browsertest.cc',
               ]
             }],
             ['OS=="android"', {
               'sources': [
                 'shell/android/browsertests_apk/content_browser_tests_android.cc',
               ],
+              'sources!': [
+                'browser/battery_status/battery_monitor_impl_browsertest.cc',
+              ],
               'dependencies': [
                 'content_shell_jni_headers',
                 'content_shell_lib',
                 '../testing/android/native_test.gyp:native_test_util',
               ],
             }],
             ['OS=="mac"', {
               'dependencies': [
                 'content_shell',  # Needed for Content Shell.app's Helper.
               ],
@@ skipping 681 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }