Some improvement of validation message bubble UI.

chrome/browser/ui/validation_message_bubble.h

Index: chrome/browser/ui/validation_message_bubble.h
diff --git a/chrome/browser/ui/validation_message_bubble.h b/chrome/browser/ui/validation_message_bubble.h
index 6192bea775ccabe666695bb3be3266a3813a6028..6685917ba06762cf5ad23dc8e33073e4ad659e05 100644
--- a/chrome/browser/ui/validation_message_bubble.h
+++ b/chrome/browser/ui/validation_message_bubble.h
@@ -24,12 +24,17 @@ class ValidationMessageBubble {
   // should not change focus state.
   static scoped_ptr<ValidationMessageBubble> CreateAndShow(
       content::RenderWidgetHost* widget_host,
-      const gfx::Rect& anchor_in_screen,
+      const gfx::Rect& anchor_in_root_view,
       const string16& main_text,
       const string16& sub_text);
 
   // Close the window and destruct the object.
   virtual ~ValidationMessageBubble() {}
+
+  // Move the window on the specified anchor.

[Nico, 2013/06/07 16:35:31]

s/on/to/

[Nico, 2013/06/07 16:35:31]

Say which coordinate system the anchor is in (relative to the containing window,
in dips?)

[sky, 2013/06/07 17:52:52]

This name is also confusing. Maybe something like SetPositionRelativeToAnchor or
something.

[tkent, 2013/06/10 06:15:37]

ok, add comments and renamed it to SetPositionRelativeToAnchor.

+  virtual void MoveOnAnchor(
+      content::RenderWidgetHost* widget_host,
+      const gfx::Rect& anchor_in_root_view) = 0;
 };
 
 }  // namespace chrome