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

third_party/WebKit/Source/core/css/cssom/CSSTranslation.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/CSSTranslation.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/css/CSSPrimitiveValue.h"
 
 namespace blink {
+namespace cssom {
 
 CSSTranslation* CSSTranslation::create(CSSLengthValue* x, CSSLengthValue* y, CSSLengthValue* z, ExceptionState& exceptionState)
 {
     if (z->containsPercent()) {
         exceptionState.throwTypeError("CSSTranslation does not support z CSSLengthValue with percent units");
         return nullptr;
     }
     return new CSSTranslation(x, y, z);
 }
 
 CSSFunctionValue* CSSTranslation::toCSSValue() const
 {
     CSSFunctionValue* result = CSSFunctionValue::create(is2D() ? CSSValueTranslate : CSSValueTranslate3d);
     result->append(*m_x->toCSSValue());
     result->append(*m_y->toCSSValue());
     if (!is2D())
         result->append(*m_z->toCSSValue());
     return result;
 }
 
+} // namespace cssom
 } // namespace blink
+