Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

components/bubble.gypi

Index: components/bubble.gypi
diff --git a/components/toolbar.gypi b/components/bubble.gypi
similarity index 55%
copy from components/toolbar.gypi
copy to components/bubble.gypi
index 77dc03909b459acaa06f46cf338bb82c19ab881f..831c1152fe67a9435712ce2d66915d093452332c 100644
--- a/components/toolbar.gypi
+++ b/components/bubble.gypi
@@ -5,20 +5,23 @@
 {
   'targets': [
     {
-      # GN version: //components/toolbar
-      'target_name': 'toolbar',
+      # GN version: //components/bubble
+      'target_name': 'bubble',
       'type': 'static_library',
-      'dependencies': [
-        '../base/base.gyp:base',
-        '../url/url.gyp:url_lib',
-      ],
       'include_dirs': [
         '..',
       ],
+      'dependencies': [
+        '../ui/gfx/gfx.gyp:gfx',
+      ],
       'sources': [
         # Note: sources list duplicated in GN build.
-        'toolbar/toolbar_model.cc',
-        'toolbar/toolbar_model.h',
+        'bubble/bubble_controller.cc',
+        'bubble/bubble_controller.h',
+        'bubble/bubble_delegate.h',
+        'bubble/bubble_manager.cc',
+        'bubble/bubble_manager.h',
+        'bubble/bubble_ui.h',
       ],
     },
   ],