Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

components/components_tests.gyp

Index: components/components_tests.gyp
diff --git a/components/components_tests.gyp b/components/components_tests.gyp
index 20ca1addd67c55d3785e27ffe3f9f61fa9504a68..df0159e81603544e9476345bf84150805b27bcee 100644
--- a/components/components_tests.gyp
+++ b/components/components_tests.gyp
@@ -85,6 +85,9 @@
       'browser_watcher/watcher_metrics_provider_win_unittest.cc',
       'browser_watcher/window_hang_monitor_win_unittest.cc',
     ],
+    'bubble_unittest_sources': [
+      'bubble/bubble_manager_unittest.cc',
+    ],
     'captive_portal_unittest_sources': [
       'captive_portal/captive_portal_detector_unittest.cc',
     ],
@@ -741,6 +744,7 @@
         '<@(autofill_unittest_sources)',
         '<@(bookmarks_unittest_sources)',
         '<@(browser_watcher_unittest_sources)',
+        '<@(bubble_unittest_sources)',
         '<@(captive_portal_unittest_sources)',
         '<@(cloud_devices_unittest_sources)',
         '<@(component_updater_unittest_sources)',
@@ -827,6 +831,7 @@
         '../ui/resources/ui_resources.gyp:ui_test_pak',
         '../ui/strings/ui_strings.gyp:ui_strings',
         '../url/url.gyp:url_lib',
+        'bubble.gypi:bubble',
         'components.gyp:auto_login_parser',
         'components.gyp:autofill_core_browser',
         'components.gyp:autofill_core_common',