ASSERT -> DCHECK in core/editing.

third_party/WebKit/Source/core/editing/serializers/StyledMarkupAccumulator.cpp

Index: third_party/WebKit/Source/core/editing/serializers/StyledMarkupAccumulator.cpp
diff --git a/third_party/WebKit/Source/core/editing/serializers/StyledMarkupAccumulator.cpp b/third_party/WebKit/Source/core/editing/serializers/StyledMarkupAccumulator.cpp
index b541cc248fce077ab4af0d66d1a4df7d6021810f..bbfbd62a005f4568a3d0d3ebc0385946e9042af7 100644
--- a/third_party/WebKit/Source/core/editing/serializers/StyledMarkupAccumulator.cpp
+++ b/third_party/WebKit/Source/core/editing/serializers/StyledMarkupAccumulator.cpp
@@ -97,8 +97,8 @@ void StyledMarkupAccumulator::appendTextWithInlineStyle(Text& text, RawPtr<Editi
 {
     if (inlineStyle) {
         // wrappingStyleForAnnotatedSerialization should have removed -webkit-text-decorations-in-effect
-        ASSERT(!shouldAnnotate() || propertyMissingOrEqualToNone(inlineStyle->style(), CSSPropertyWebkitTextDecorationsInEffect));
-        ASSERT(m_document);
+        DCHECK(!shouldAnnotate() || propertyMissingOrEqualToNone(inlineStyle->style(), CSSPropertyWebkitTextDecorationsInEffect));
+        DCHECK(m_document);
 
         m_result.appendLiteral("<span style=\"");
         MarkupFormatter::appendAttributeValue(m_result, inlineStyle->style()->asText(), m_document->isHTMLDocument());
@@ -158,8 +158,8 @@ void StyledMarkupAccumulator::appendElement(StringBuilder& out, const Element& e
 void StyledMarkupAccumulator::wrapWithStyleNode(StylePropertySet* style)
 {
     // wrappingStyleForSerialization should have removed -webkit-text-decorations-in-effect
-    ASSERT(propertyMissingOrEqualToNone(style, CSSPropertyWebkitTextDecorationsInEffect));
-    ASSERT(m_document);
+    DCHECK(propertyMissingOrEqualToNone(style, CSSPropertyWebkitTextDecorationsInEffect));
+    DCHECK(m_document);
 
     StringBuilder openTag;
     openTag.appendLiteral("<div style=\"");