Experimental viewport meta tag support for desktop, Blink-side.

Source/core/css/ViewportStyle.cpp

Index: Source/core/css/ViewportStyle.cpp
diff --git a/Source/core/html/canvas/EXTFragDepth.idl b/Source/core/css/ViewportStyle.cpp
similarity index 89%
copy from Source/core/html/canvas/EXTFragDepth.idl
copy to Source/core/css/ViewportStyle.cpp
index 52a6f932c30eb3d04b60fc0e9ae33e996ea9de04..a031542d8cb9292ec1d182e1c9c8714a55f583f6 100644
--- a/Source/core/html/canvas/EXTFragDepth.idl
+++ b/Source/core/css/ViewportStyle.cpp
@@ -23,7 +23,14 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-[
-    NoInterfaceObject
-] interface EXTFragDepth {
-};
+#include "config.h"
+#include "ViewportStyle.h"
+
+namespace WebCore {
+
+String ViewportStyle::viewportStyleSheet()
+{
+    return String();
+}
+
+} // namespace WebCore