Move apps tests from c/b/extensions to c/b/apps and refine DEPS.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index ce1ee15d289e40d8fb7789476632a49c3a7c4800..f5a6cd95a02bc373e556ef1c2158ab89742ed266 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -206,6 +206,9 @@
       ],
       'sources': [
         '../apps/app_shim/app_shim_quit_interactive_uitest_mac.mm',
+        'browser/apps/app_browsertest_util.cc',
+        'browser/apps/app_browsertest_util.h',
+        'browser/apps/web_view_interactive_browsertest.cc',
         'browser/autofill/autofill_interactive_uitest.cc',
         'browser/browser_keyevents_browsertest.cc',
         'browser/extensions/api/omnibox/omnibox_api_interactive_test.cc',
@@ -218,9 +221,6 @@
         'browser/extensions/extension_test_message_listener.cc',
         'browser/extensions/extension_test_message_listener.h',
         'browser/extensions/notifications_apitest.cc',
-        'browser/extensions/platform_app_browsertest_util.cc',
-        'browser/extensions/platform_app_browsertest_util.h',
-        'browser/extensions/web_view_interactive_browsertest.cc',
         'browser/extensions/window_open_interactive_apitest.cc',
         'browser/extensions/extension_fullscreen_apitest.cc',
         'browser/extensions/extension_pointer_lock_apitest.cc',
@@ -1162,6 +1162,12 @@
         'browser/accessibility/accessibility_extension_apitest.cc',
         'browser/accessibility/browser_accessibility_state_browsertest.cc',
         'browser/app_controller_mac_browsertest.mm',
+        'browser/apps/ad_view_browsertest.cc',
+        'browser/apps/app_browsertest.cc',
+        'browser/apps/app_browsertest_util.cc',
+        'browser/apps/app_browsertest_util.h',
+        'browser/apps/web_view_browsertest.cc',
+        'browser/apps/window_controls_browsertest.cc',
         'browser/autocomplete/autocomplete_browsertest.cc',
         'browser/autofill/autofill_browsertest.cc',
         'browser/autofill/autofill_driver_impl_browsertest.cc',
@@ -1262,7 +1268,6 @@
         'browser/errorpage_browsertest.cc',
         'browser/extensions/active_tab_apitest.cc',
         'browser/extensions/activity_log/activity_log_browsertest.cc',
-        'browser/extensions/ad_view_browsertest.cc',
         'browser/extensions/alert_apitest.cc',
         'browser/extensions/all_urls_apitest.cc',
         'browser/extensions/api/activity_log_private/activity_log_private_apitest.cc',
@@ -1404,9 +1409,6 @@
         'browser/extensions/mutation_observers_apitest.cc',
         'browser/extensions/options_page_apitest.cc',
         'browser/extensions/page_action_browsertest.cc',
-        'browser/extensions/platform_app_browsertest.cc',
-        'browser/extensions/platform_app_browsertest_util.cc',
-        'browser/extensions/platform_app_browsertest_util.h',
         'browser/extensions/plugin_apitest.cc',
         'browser/extensions/process_management_browsertest.cc',
         'browser/extensions/requirements_checker_browsertest.cc',
@@ -1417,9 +1419,7 @@
         'browser/extensions/subscribe_page_action_browsertest.cc',
         'browser/extensions/test_extension_dir.cc',
         'browser/extensions/test_extension_dir.h',
-        'browser/extensions/window_controls_browsertest.cc',
         'browser/extensions/web_contents_browsertest.cc',
-        'browser/extensions/web_view_browsertest.cc',
         'browser/extensions/webstore_startup_installer_browsertest.cc',
         'browser/extensions/window_open_apitest.cc',
         'browser/external_extension_browsertest.cc',