Some improvement of validation message bubble UI.

chrome/browser/ui/views/validation_message_bubble_delegate.cc

Index: chrome/browser/ui/views/validation_message_bubble_delegate.cc
diff --git a/chrome/browser/ui/views/validation_message_bubble_delegate.cc b/chrome/browser/ui/views/validation_message_bubble_delegate.cc
index a1b65f4d5c9a525a3df78b13b0d1a0673ac3eec8..ae4139fad1b0bcd434c4cbf05e0deeec75241d71 100644
--- a/chrome/browser/ui/views/validation_message_bubble_delegate.cc
+++ b/chrome/browser/ui/views/validation_message_bubble_delegate.cc
@@ -79,11 +79,17 @@ ValidationMessageBubbleDelegate::ValidationMessageBubbleDelegate(
 
 ValidationMessageBubbleDelegate::~ValidationMessageBubbleDelegate() {}
 
-void ValidationMessageBubbleDelegate::Hide() {
-  GetWidget()->Hide();
+void ValidationMessageBubbleDelegate::Close() {
+  GetWidget()->Close();
   observer_ = NULL;
 }
 
+void ValidationMessageBubbleDelegate::SetPositionRelativeToAnchor(
+    const gfx::Rect& anchor_in_screen) {
+  set_anchor_rect(anchor_in_screen);
+  GetWidget()->SetBounds(GetBubbleBounds());
+}
+
 gfx::Size ValidationMessageBubbleDelegate::GetPreferredSize() {
   return gfx::Size(width_, height_);
 }