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

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

Index: third_party/WebKit/Source/core/css/cssom/WindowGetComputedStyle.h
diff --git a/third_party/WebKit/Source/core/css/cssom/WindowGetComputedStyle.h b/third_party/WebKit/Source/core/css/cssom/WindowGetComputedStyle.h
index 1fa20e89dd1043c07a060c5b3586906cee6e5a35..df21443533869d0bf5e55760d3d51125712101d2 100644
--- a/third_party/WebKit/Source/core/css/cssom/WindowGetComputedStyle.h
+++ b/third_party/WebKit/Source/core/css/cssom/WindowGetComputedStyle.h
@@ -9,6 +9,7 @@
 #include "core/css/cssom/ComputedStylePropertyMap.h"
 
 namespace blink {
+namespace cssom {
 
 class WindowGetComputedStyle {
     STATIC_ONLY(WindowGetComputedStyle);
@@ -21,6 +22,8 @@ public:
     }
 };
 
+} // namespace cssom
 } // namespace blink
 
+
 #endif // WindowGetComputedStyle_h