Make a function to query whether a CSSPropertyID is valid and whether it has a name.

third_party/WebKit/Source/core/frame/Deprecation.cpp

 // Copyright 2016 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/frame/Deprecation.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/FrameHost.h"
@@ skipping 73 matching lines @@
     m_muteCount++;
 }
 
 void Deprecation::unmuteForInspector()
 {
     m_muteCount--;
 }
 
 void Deprecation::suppress(CSSPropertyID unresolvedProperty)
 {
-    ASSERT(unresolvedProperty >= firstCSSProperty);
-    ASSERT(unresolvedProperty <= lastUnresolvedCSSProperty);
+    DCHECK(propertyHasName(unresolvedProperty));
     m_cssPropertyDeprecationBits.quickSet(unresolvedProperty);
 }
 
 bool Deprecation::isSuppressed(CSSPropertyID unresolvedProperty)
 {
-    ASSERT(unresolvedProperty >= firstCSSProperty);
-    ASSERT(unresolvedProperty <= lastUnresolvedCSSProperty);
+    DCHECK(propertyHasName(unresolvedProperty));
     return m_cssPropertyDeprecationBits.quickGet(unresolvedProperty);
 }
 
 void Deprecation::warnOnDeprecatedProperties(const LocalFrame* frame, CSSPropertyID unresolvedProperty)
 {
     FrameHost* host = frame ? frame->host() : nullptr;
     if (!host || host->deprecation().m_muteCount || host->deprecation().isSuppressed(unresolvedProperty))
         return;
 
     String message = deprecationMessage(unresolvedProperty);
@@ skipping 278 matching lines @@
     case UseCounter::V8SVGSVGElement_CurrentView_AttributeGetter:
         return willBeRemoved("SVGSVGElement.currentView", 56, "4511711998509056");
 
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();
     }
 }
 
 } // namespace blink