Move a bunch of files from chrome\common to content\common.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
===================================================================
--- chrome/chrome_tests.gypi	(revision 78451)
+++ chrome/chrome_tests.gypi	(working copy)
@@ -1712,7 +1712,6 @@
         'common/common_param_traits_unittest.cc',
         'common/content_settings_helper_unittest.cc',
         'common/deprecated/event_sys_unittest.cc',
-        'common/desktop_notifications/active_notification_tracker_unittest.cc',
         'common/extensions/extension_action_unittest.cc',
         'common/extensions/extension_extent_unittest.cc',
         'common/extensions/extension_file_util_unittest.cc',
@@ -1736,7 +1735,6 @@
         'common/json_schema_validator_unittest_base.h',
         'common/json_schema_validator_unittest.cc',
         'common/json_value_serializer_unittest.cc',
-        'common/mru_cache_unittest.cc',
         'common/multi_process_lock_unittest.cc',
         'common/net/gaia/gaia_auth_fetcher_unittest.cc',
         'common/net/gaia/gaia_auth_fetcher_unittest.h',
@@ -1826,6 +1824,7 @@
         '../content/browser/webui/web_ui_unittest.cc',
         '../content/common/font_descriptor_mac_unittest.mm',
         '../content/common/gpu_info_unittest.cc',
+        '../content/common/mru_cache_unittest.cc',
         '../content/common/notification_service_unittest.cc',
         '../content/common/property_bag_unittest.cc',
         '../content/common/resource_dispatcher_unittest.cc',
@@ -1839,6 +1838,7 @@
         '../content/gpu/gpu_info_collector_unittest.cc',
         '../content/gpu/gpu_info_unittest_win.cc',
         '../content/gpu/gpu_video_decoder_unittest.cc',
+        '../content/renderer/active_notification_tracker_unittest.cc',
         '../content/renderer/audio_message_filter_unittest.cc',
         '../content/renderer/media/audio_renderer_impl_unittest.cc',
         '../testing/gtest_mac_unittest.mm',