Some improvement of validation message bubble UI.

chrome/browser/ui/views/validation_message_bubble_view.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/validation_message_bubble.h"
 
 #include "chrome/browser/ui/views/validation_message_bubble_delegate.h"
+#include "content/public/browser/render_widget_host.h"
+#include "content/public/browser/render_widget_host_view.h"
 #include "ui/views/widget/widget.h"
 
 namespace {
 
 // A ValidationMessageBubble implementation for Views.
 class ValidationMessageBubbleImpl
     : public chrome::ValidationMessageBubble,
       public ValidationMessageBubbleDelegate::Observer {
  public:
   ValidationMessageBubbleImpl(const gfx::Rect& anchor_in_screen,
                               const string16& main_text,
                               const string16& sub_text);
 
   virtual ~ValidationMessageBubbleImpl() {
     if (delegate_ != NULL)
-      delegate_->Hide();
+      delegate_->Close();
+  }
+
+  virtual void MoveOnAnchor(content::RenderWidgetHost* widget_host,
+                            const gfx::Rect& anchor_in_root_view) OVERRIDE {
+    if (!delegate_)
+      return;
+    delegate_->MoveOnAnchor(anchor_in_root_view
+        + widget_host->GetView()->GetViewBounds().origin().OffsetFromOrigin());
   }
 
   // ValidationMessageBubbleDelegate::Observer override:
   virtual void WindowClosing() OVERRIDE {
     delegate_ = NULL;
   }
 
  private:
   ValidationMessageBubbleDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ValidationMessageBubbleImpl);
 };
 
 ValidationMessageBubbleImpl::ValidationMessageBubbleImpl(
     const gfx::Rect& anchor_in_screen,
     const string16& main_text,
     const string16& sub_text) {
   delegate_ = new ValidationMessageBubbleDelegate(
       anchor_in_screen, main_text, sub_text, this);
   views::BubbleDelegateView::CreateBubble(delegate_);
   delegate_->GetWidget()->ShowInactive();
 }
 
 }  // namespace
 
 namespace chrome {
 
 scoped_ptr<ValidationMessageBubble> ValidationMessageBubble::CreateAndShow(
-    content::RenderWidgetHost*,
-    const gfx::Rect& anchor_in_screen,
+    content::RenderWidgetHost* widget_host,
+    const gfx::Rect& anchor_in_root_view,
     const string16& main_text,
     const string16& sub_text) {
+  const gfx::Rect& anchor_in_screen = anchor_in_root_view
+      + widget_host->GetView()->GetViewBounds().origin().OffsetFromOrigin();
   scoped_ptr<ValidationMessageBubble> bubble(
       new ValidationMessageBubbleImpl(anchor_in_screen, main_text, sub_text));
   return bubble.Pass();
 }
 
 }  // namespace chrome