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

third_party/WebKit/Source/core/css/cssom/CSSNumberValue.h

Index: third_party/WebKit/Source/core/css/cssom/CSSNumberValue.h
diff --git a/third_party/WebKit/Source/core/css/cssom/CSSNumberValue.h b/third_party/WebKit/Source/core/css/cssom/CSSNumberValue.h
index d1add7ab05bf0f1e9cbb5e8bab147bc55f84124c..1d3cba4411f6648b6173f208b3fc9a496b865d49 100644
--- a/third_party/WebKit/Source/core/css/cssom/CSSNumberValue.h
+++ b/third_party/WebKit/Source/core/css/cssom/CSSNumberValue.h
@@ -12,6 +12,7 @@
 #include "wtf/text/WTFString.h"
 
 namespace blink {
+namespace cssom {
 
 class CORE_EXPORT CSSNumberValue final : public CSSStyleValue {
     WTF_MAKE_NONCOPYABLE(CSSNumberValue);
@@ -37,6 +38,8 @@ private:
     double m_value;
 };
 
+} // namespace cssom
 } // namespace blink
 
+
 #endif