Make the account chooser and CVC dialog use the same icon with toolip for Views.

ui/views/bubble/info_bubble.h

+// Copyright 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.
+
+#ifndef UI_VIEWS_BUBBLE_INFO_BUBBLE_H_
+#define UI_VIEWS_BUBBLE_INFO_BUBBLE_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "base/strings/string16.h"
+#include "ui/views/bubble/bubble_dialog_delegate.h"
+
+namespace views {
+
+class InfoBubbleFrame;
+
+// Class to create and manage an information bubble for errors or tooltips.
+class InfoBubble : public BubbleDialogDelegateView {
+ public:
+  InfoBubble(View* anchor, const base::string16& message);
+  ~InfoBubble() override;
+
+  // Shows the bubble. |widget_| will be NULL until this is called.
+  void Show();
+
+  // Hides and closes the bubble.
+  void Hide();
+
+  // BubbleDialogDelegateView:
+  NonClientFrameView* CreateNonClientFrameView(Widget* widget) override;
+  gfx::Size GetPreferredSize() const override;
+  void OnWidgetDestroyed(Widget* widget) override;
+  void OnWidgetBoundsChanged(Widget* widget,
+                             const gfx::Rect& new_bounds) override;
+  int GetDialogButtons() const override;
+
+  View* anchor() { return anchor_; }
+  const View* anchor() const { return anchor_; }
+
+  void set_preferred_width(int preferred_width) {
+    preferred_width_ = preferred_width;
+  }
+
+ private:
+  // Updates the position of the bubble.
+  void UpdatePosition();
+
+  Widget* widget_;          // Weak, may be NULL.
+  View* const anchor_;      // Weak.
+  InfoBubbleFrame* frame_;  // Weak, owned by widget.
+
+  // The width this bubble prefers to be. Default is 0 (no preference).
+  int preferred_width_;
+
+  DISALLOW_COPY_AND_ASSIGN(InfoBubble);
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_BUBBLE_INFO_BUBBLE_H_