Fix form validation bubble positioning at hidpi.

chrome/browser/ui/views/validation_message_bubble_view.h

Index: chrome/browser/ui/views/validation_message_bubble_view.h
diff --git a/chrome/browser/ui/views/validation_message_bubble_view.h b/chrome/browser/ui/views/validation_message_bubble_view.h
index b496b5bbb7a7200b28f3b5c97229f5045f40f7ad..96fca07794553316fbdc067335145321d8ff26c2 100644
--- a/chrome/browser/ui/views/validation_message_bubble_view.h
+++ b/chrome/browser/ui/views/validation_message_bubble_view.h
@@ -8,6 +8,7 @@
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/ui/validation_message_bubble.h"
+#include "content/public/browser/render_widget_host_view.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/views/bubble/bubble_dialog_delegate.h"
 
@@ -38,6 +39,10 @@ class ValidationMessageBubbleView
   void CloseValidationMessage() override;
 
  private:
+  gfx::Rect RootViewToScreenRect(
+      const gfx::Rect& rect_in_root_view,
+      const content::RenderWidgetHostView* rwhv) const;

[msw, 2016/11/10 18:59:14]

nit: I prefer to avoid acronyms, but this one is fairly common...

[Bret, 2016/11/11 23:51:27]

Changed to render_widget_host_view everywhere in this class.

+
   gfx::Size size_;
 
   DISALLOW_COPY_AND_ASSIGN(ValidationMessageBubbleView);