[Mac] Display a quick animation when a popup is blocked so the user notices it in the Omnibox.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index b12d624c0853882fee5b4106dd76debfa6f066ce..8d337610fe22755b5e802d826266c4a5984af64d 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -630,6 +630,8 @@
         'browser/cocoa/about_window_controller.mm',
         'browser/cocoa/accelerators_cocoa.h',
         'browser/cocoa/accelerators_cocoa.mm',
+        'browser/cocoa/animatable_image.h',
+        'browser/cocoa/animatable_image.mm',
         'browser/cocoa/animatable_view.h',
         'browser/cocoa/animatable_view.mm',
         'browser/cocoa/authorization_util.h',
@@ -918,6 +920,7 @@
         'browser/cocoa/page_info_window_controller.mm',
         'browser/cocoa/page_info_window_mac.h',
         'browser/cocoa/page_info_window_mac.mm',
+        'browser/cocoa/popup_blocked_animation_mac.mm',
         'browser/cocoa/preferences_window_controller.h',
         'browser/cocoa/preferences_window_controller.mm',
         'browser/cocoa/reload_button.h',
@@ -1597,6 +1600,7 @@
         'browser/gtk/options/url_picker_dialog_gtk.cc',
         'browser/gtk/options/url_picker_dialog_gtk.h',
         'browser/gtk/page_info_window_gtk.cc',
+        'browser/gtk/popup_blocked_animation_gtk.cc',
         'browser/gtk/process_singleton_dialog.cc',
         'browser/gtk/process_singleton_dialog.h',
         'browser/gtk/reload_button_gtk.cc',
@@ -2012,6 +2016,7 @@
         'browser/plugin_service.h',
         'browser/plugin_updater.cc',
         'browser/plugin_updater.h',
+        'browser/popup_blocked_animation.h',
         'browser/possible_url_model.cc',
         'browser/possible_url_model.h',
         'browser/power_save_blocker.h',
@@ -2707,6 +2712,7 @@
         'browser/views/page_info_window_view.cc',
         'browser/views/pinned_contents_info_bubble.cc',
         'browser/views/pinned_contents_info_bubble.h',
+        'browser/views/popup_blocked_animation_win.cc',
         'browser/views/reload_button.cc',
         'browser/views/reload_button.h',
         'browser/views/repost_form_warning_view.cc',
@@ -3444,6 +3450,7 @@
                 ['include', '^browser/gtk/nine_box.cc'],
                 ['include', '^browser/gtk/nine_box.h'],
                 ['include', '^browser/gtk/options/'],
+                ['include', '^browser/gtk/popup_blocked_animation_gtk.cc'],
                 ['include', '^browser/gtk/repost_form_warning_gtk.cc'],
                 ['include', '^browser/gtk/repost_form_warning_gtk.h'],
                 ['include', '^browser/gtk/tab_contents_drag_source.cc'],