[WIP] Attempt to move everything cssom into a cssom namespace

third_party/WebKit/Source/core/css/cssom/FilteredComputedStylePropertyMap.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/css/cssom/FilteredComputedStylePropertyMap.h"
 
 namespace blink {
+namespace cssom {
 
 FilteredComputedStylePropertyMap::FilteredComputedStylePropertyMap(CSSComputedStyleDeclaration* computedStyleDeclaration, const Vector<CSSPropertyID>& nativeProperties, const Vector<AtomicString>& customProperties)
     : ComputedStylePropertyMap(computedStyleDeclaration)
 {
     for (const auto& nativeProperty : nativeProperties) {
         m_nativeProperties.add(nativeProperty);
     }
 
     for (const auto& customProperty: customProperties) {
         m_customProperties.add(customProperty);
@@ skipping 57 matching lines @@
         result.append(getPropertyNameString(nativeProperty));
     }
 
     for (const auto& customProperty : m_customProperties) {
         result.append(customProperty);
     }
 
     return result;
 }
 
+} // namespace cssom
 } // namespace blink
+