Merge "Form validation: Do not show validation bubble during printing." to M59.

third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp b/third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp
index a7ec2d0046c6ddb25b4ee17642157c0ea2e24750..39b949f26a268a65da3ac75d1157cd1e78642379 100644
--- a/third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp
@@ -465,6 +465,8 @@ void HTMLFormControlElement::UpdateVisibleValidationMessage() {
   Page* page = GetDocument().GetPage();
   if (!page || !page->IsPageVisible() || GetDocument().UnloadStarted())
     return;
+  if (GetDocument().GetFrame()->ShouldUsePrintingLayout())
+    return;
   String message;
   if (GetLayoutObject() && willValidate())
     message = validationMessage().StripWhiteSpace();