notification balloons: Remove views and cocoa implementations of BalloonCollection.

chrome/chrome_browser_ui.gypi

Index: chrome/chrome_browser_ui.gypi
diff --git a/chrome/chrome_browser_ui.gypi b/chrome/chrome_browser_ui.gypi
index 96c70121be07fe79164405182e18187fca95eb6b..493fa8f065ec252cac1be727b4a7b734d92a7234 100644
--- a/chrome/chrome_browser_ui.gypi
+++ b/chrome/chrome_browser_ui.gypi
@@ -938,15 +938,6 @@
         'browser/ui/cocoa/multi_key_equivalent_button.mm',
         'browser/ui/cocoa/new_tab_button.h',
         'browser/ui/cocoa/new_tab_button.mm',
-        'browser/ui/cocoa/notifications/balloon_collection_cocoa.mm',
-        'browser/ui/cocoa/notifications/balloon_controller.h',
-        'browser/ui/cocoa/notifications/balloon_controller.mm',
-        'browser/ui/cocoa/notifications/balloon_view.h',
-        'browser/ui/cocoa/notifications/balloon_view.mm',
-        'browser/ui/cocoa/notifications/balloon_view_bridge.h',
-        'browser/ui/cocoa/notifications/balloon_view_bridge.mm',
-        'browser/ui/cocoa/notifications/balloon_view_host_mac.h',
-        'browser/ui/cocoa/notifications/balloon_view_host_mac.mm',
         'browser/ui/cocoa/notifications/message_center_tray_bridge.h',
         'browser/ui/cocoa/notifications/message_center_tray_bridge.mm',
         'browser/ui/cocoa/nsmenuitem_additions.h',
@@ -2060,11 +2051,6 @@
         'browser/ui/views/message_center/web_notification_tray.h',
         'browser/ui/views/message_center/web_notification_tray.cc',
         'browser/ui/views/message_center/web_notification_tray_win.cc',
-        'browser/ui/views/notifications/balloon_collection_views.cc',
-        'browser/ui/views/notifications/balloon_view_host.cc',
-        'browser/ui/views/notifications/balloon_view_host.h',
-        'browser/ui/views/notifications/balloon_view_views.cc',
-        'browser/ui/views/notifications/balloon_view_views.h',
         'browser/ui/views/omnibox/omnibox_popup_contents_view.cc',
         'browser/ui/views/omnibox/omnibox_popup_contents_view.h',
         'browser/ui/views/omnibox/omnibox_result_view.cc',
@@ -2880,10 +2866,6 @@
             'browser/ui/views/frame/native_browser_frame_factory_desktop_ash.cc',
             'browser/ui/views/javascript_app_modal_event_blocker_x11.cc',
             'browser/ui/views/javascript_app_modal_event_blocker_x11.h',
-            'browser/ui/views/notifications/balloon_view_host.cc',
-            'browser/ui/views/notifications/balloon_view_host.h',
-            'browser/ui/views/notifications/balloon_view_views.cc',
-            'browser/ui/views/notifications/balloon_view_views.h',
             'browser/ui/views/screen_capture_notification_ui_views.cc',
             'browser/ui/views/tabs/window_finder_x11.cc',
             'browser/ui/webui/help/version_updater_basic.cc',
@@ -3357,7 +3339,6 @@
             ['toolkit_uses_gtk==1', {
               'sources/': [
                 ['exclude', '^browser/ui/toolbar/bookmark_sub_menu_model.cc'],
-                ['exclude', '^browser/ui/views/notifications/balloon_collection_views.cc'],
               ],
             }],
             # x11 build