Revert of Move navigation-induced hiding of form-validation-bubble to the browser process.

third_party/WebKit/Source/core/dom/DocumentTest.cpp

 /*
  * Copyright (c) 2014, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 240 matching lines @@
 
 class MockValidationMessageClient
     : public GarbageCollectedFinalized<MockValidationMessageClient>,
       public ValidationMessageClient {
   USING_GARBAGE_COLLECTED_MIXIN(MockValidationMessageClient);
 
  public:
   MockValidationMessageClient() { Reset(); }
   void Reset() {
     show_validation_message_was_called = false;
+    will_unload_document_was_called = false;
+    document_detached_was_called = false;
   }
   bool show_validation_message_was_called;
+  bool will_unload_document_was_called;
+  bool document_detached_was_called;
 
   // ValidationMessageClient functions.
   void ShowValidationMessage(const Element& anchor,
                              const String& main_message,
                              TextDirection,
                              const String& sub_message,
                              TextDirection) override {
     show_validation_message_was_called = true;
   }
   void HideValidationMessage(const Element& anchor) override {}
   bool IsValidationMessageVisible(const Element& anchor) override {
     return true;
   }
+  void WillUnloadDocument(const Document&) override {
+    will_unload_document_was_called = true;
+  }
+  void DocumentDetached(const Document&) override {
+    document_detached_was_called = true;
+  }
   void WillBeDestroyed() override {}
 
   // DEFINE_INLINE_VIRTUAL_TRACE() { ValidationMessageClient::trace(visitor); }
 };
 
 class MockWebApplicationCacheHost
     : NON_EXPORTED_BASE(public blink::WebApplicationCacheHost) {
  public:
   MockWebApplicationCacheHost() {}
   ~MockWebApplicationCacheHost() override {}
@@ skipping 476 matching lines @@
       toHTMLInputElement(GetDocument().body()->firstChild());
   DVLOG(0) << GetDocument().body()->outerHTML();
 
   // Sanity check.
   input->reportValidity();
   EXPECT_TRUE(mock_client->show_validation_message_was_called);
   mock_client->Reset();
 
   // prepareForCommit() unloads the document, and shutdown.
   GetDocument().GetFrame()->PrepareForCommit();
+  EXPECT_TRUE(mock_client->will_unload_document_was_called);
+  EXPECT_TRUE(mock_client->document_detached_was_called);
   // Unload handler tried to show a validation message, but it should fail.
   EXPECT_FALSE(mock_client->show_validation_message_was_called);
 
   GetPage().SetValidationMessageClient(original_client);
 }
 
 TEST_F(DocumentTest, SandboxDisablesAppCache) {
   RefPtr<SecurityOrigin> origin =
       SecurityOrigin::CreateFromString("https://test.com");
   GetDocument().SetSecurityOrigin(origin);
@@ skipping 72 matching lines @@
   EXPECT_EQ(DocumentLifecycle::kVisualUpdatePending,
             GetDocument().Lifecycle().GetState());
 
   GetDocument().EnsurePaintLocationDataValidForNode(
       GetDocument().getElementById("stickyChild"));
   EXPECT_EQ(DocumentLifecycle::kCompositingInputsClean,
             GetDocument().Lifecycle().GetState());
 }
 
 }  // namespace blink