Revert of Android: Avoid linking with --gc-sections.

chrome/chrome_tests_unit.gypi

 # Copyright 2012 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': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 1905 matching lines @@
             'browser/profile_resetter/profile_resetter_test_base.h',
             'browser/sessions/session_restore_test_helper.cc',
             'browser/sessions/session_restore_test_helper.h',
             'browser/sessions/session_service_test_helper.cc',
             'browser/sessions/session_service_test_helper.h',
             'browser/ui/exclusive_access/fullscreen_controller_state_test.cc',
             'browser/ui/exclusive_access/fullscreen_controller_state_test.h',
             'browser/ui/exclusive_access/fullscreen_controller_state_tests.h',
             'browser/ui/exclusive_access/fullscreen_controller_test.cc',
             'browser/ui/exclusive_access/fullscreen_controller_test.h',
-            'browser/ui/passwords/manage_passwords_ui_controller_mock.cc',
-            'browser/ui/passwords/manage_passwords_ui_controller_mock.h',
             'browser/ui/test/test_confirm_bubble_model.cc',
             'browser/ui/test/test_confirm_bubble_model.h',
             'renderer/safe_browsing/mock_feature_extractor_clock.cc',
             'renderer/safe_browsing/mock_feature_extractor_clock.h',
             'test/base/dialog_test_browser_window.cc',
             'test/base/dialog_test_browser_window.h',
             'test/base/test_browser_window.cc',
             'test/base/test_browser_window.h',
           ],
         }],
@@ skipping 315 matching lines @@
         ['OS!="ios"', {
           'dependencies': [
             '../components/components.gyp:autofill_content_test_support',
             '../components/components.gyp:component_metrics_proto',
             '../components/components.gyp:data_reduction_proxy_test_support',
             '../components/components.gyp:data_use_measurement_core',
             '../components/components.gyp:safe_json_test_support',
             '../components/components.gyp:webdata_services_test_support',
             '../components/components_strings.gyp:components_strings',
             '../content/app/resources/content_resources.gyp:content_resources',
+            '../device/core/core.gyp:device_core_mocks',
             '../device/bluetooth/bluetooth.gyp:device_bluetooth_mocks',
             '../device/usb/usb.gyp:device_usb_mocks',
             '../gpu/gpu.gyp:gpu_unittest_utils',
             '../media/media.gyp:media_test_support',
             '../ppapi/ppapi_internal.gyp:ppapi_unittest_shared',
             '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
             '../third_party/libaddressinput/libaddressinput.gyp:libaddressinput',
             '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber',
             '../third_party/webrtc/modules/modules.gyp:desktop_capture',
             '../tools/json_schema_compiler/test/json_schema_compiler_tests.gyp:json_schema_compiler_tests',
@@ skipping 22 matching lines @@
           'xcode_settings': {'OTHER_LDFLAGS': ['-ObjC']},
         }],
         ['OS=="android"', {
           'sources': [ '<@(chrome_unit_tests_offline_pages_sources)' ],
           'sources!': [
             'browser/policy/policy_path_parser_unittest.cc',
           ],
           'dependencies!': [
             '../third_party/libaddressinput/libaddressinput.gyp:libaddressinput',
           ],
+          'ldflags': [
+            # Some android targets still depend on --gc-sections to link.
+            # TODO: remove --gc-sections for Debug builds (crbug.com/159847).
+            '-Wl,--gc-sections',
+          ],
           'dependencies': [
             '../testing/android/native_test.gyp:native_test_native_code',
             '../components/components.gyp:offline_pages',
           ],
         }, {  # Not Android.
           'sources': [ '<@(chrome_unit_tests_non_android_sources)' ],
           'sources!': [
             'browser/download/download_request_infobar_delegate_unittest.cc',
           ],
         }],
@@ skipping 40 matching lines @@
         ['enable_one_click_signin==1', {
           'sources': [
             'browser/ui/sync/one_click_signin_sync_observer_unittest.cc',
             'browser/ui/sync/one_click_signin_sync_starter_unittest.cc',
           ],
         }],
         ['enable_extensions==1', {
           'sources': [ '<@(chrome_unit_tests_extensions_sources)' ],
           'dependencies': [
             'common/extensions/api/api.gyp:chrome_api',
+            '../device/hid/hid.gyp:device_hid_mocks',
             '../components/components.gyp:audio_modem_test_support',
-            '../device/core/core.gyp:device_core_mocks',
-            '../device/hid/hid.gyp:device_hid_mocks',
             '../extensions/extensions_resources.gyp:extensions_resources',
             '../extensions/extensions_strings.gyp:extensions_strings',
           ],
           'conditions': [
             ['enable_service_discovery==1', {
               'sources': [ '<@(chrome_unit_tests_extensions_service_discovery_sources)' ],
             }],
             ['chromeos==0', {
               'sources': [
                 '<@(chrome_unit_tests_extensions_non_chromeos_sources)',
@@ skipping 621 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }