Scrolls to the notification when focus moves to its buttons.

ui/message_center/views/notification_view.cc

Index: ui/message_center/views/notification_view.cc
diff --git a/ui/message_center/views/notification_view.cc b/ui/message_center/views/notification_view.cc
index f4a0572414d4d1e489d8cd67def9d2b967e62122..9736e668272af02a0d54151cbecd6fe45f9b3f32 100644
--- a/ui/message_center/views/notification_view.cc
+++ b/ui/message_center/views/notification_view.cc
@@ -224,6 +224,7 @@ class NotificationButton : public views::CustomButton {
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual int GetHeightForWidth(int width) OVERRIDE;
+  virtual void OnFocus() OVERRIDE;
 
   // Overridden from views::CustomButton:
   virtual void StateChanged() OVERRIDE;
@@ -288,6 +289,10 @@ int NotificationButton::GetHeightForWidth(int width) {
   return kButtonHeight;
 }
 
+void NotificationButton::OnFocus() {
+  ScrollRectToVisible(GetLocalBounds());
+}
+
 void NotificationButton::StateChanged() {
   if (state() == STATE_HOVERED || state() == STATE_PRESSED)
     set_background(MakeBackground(kHoveredButtonBackgroundColor));
@@ -498,6 +503,12 @@ void NotificationView::Layout() {
   }
 }
 
+void NotificationView::ScrollRectToVisible(const gfx::Rect& rect) {
+  // Notification want to show the whole notification when a part of it (like
+  // a button) gets focused.
+  views::View::ScrollRectToVisible(GetLocalBounds());
+}
+
 void NotificationView::ButtonPressed(views::Button* sender,
                                      const ui::Event& event) {
   // See if the button pressed was an action button.