ASSERT -> DCHECK in core/editing.

third_party/WebKit/Source/core/editing/InputMethodControllerTest.cpp

 // Copyright 2014 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 "core/editing/InputMethodController.h"
 
 #include "core/dom/Element.h"
 #include "core/dom/Range.h"
 #include "core/editing/FrameSelection.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 15 matching lines @@
     void SetUp() override;
 
     OwnPtr<DummyPageHolder> m_dummyPageHolder;
     Persistent<HTMLDocument> m_document;
 };
 
 void InputMethodControllerTest::SetUp()
 {
     m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
     m_document = toHTMLDocument(&m_dummyPageHolder->document());
-    ASSERT(m_document);
+    DCHECK(m_document);
 }
 
 Element* InputMethodControllerTest::insertHTMLElement(
     const char* elementCode, const char* elementId)
 {
     document().write(elementCode);
     document().updateLayout();
     Element* element = document().getElementById(elementId);
     element->focus();
     return element;
@@ skipping 137 matching lines @@
 
     Vector<CompositionUnderline> underlines;
     underlines.append(CompositionUnderline(0, 5, Color(255, 0, 0), false, 0));
     controller().setComposition("foo", underlines, 0, 3);
     controller().confirmComposition();
 
     EXPECT_STREQ("foo", input->value().utf8().data());
 }
 
 } // namespace blink