Mojo C++ bindings: share DataView class between chromium and blink variants.

mojo/public/cpp/bindings/tests/rect_blink_traits.h

Index: mojo/public/cpp/bindings/tests/rect_blink_traits.h
diff --git a/mojo/public/cpp/bindings/tests/rect_blink_traits.h b/mojo/public/cpp/bindings/tests/rect_blink_traits.h
index 8e1fd5b83e2d9e145f82bea1296b8a547d2ec7ec..7258739a843c0958aaff09a6ec9f269523469441 100644
--- a/mojo/public/cpp/bindings/tests/rect_blink_traits.h
+++ b/mojo/public/cpp/bindings/tests/rect_blink_traits.h
@@ -12,14 +12,13 @@
 namespace mojo {
 
 template <>
-struct StructTraits<test::blink::TypemappedRectDataView, test::RectBlink> {
+struct StructTraits<test::TypemappedRectDataView, test::RectBlink> {
   static int x(const test::RectBlink& r) { return r.x(); }
   static int y(const test::RectBlink& r) { return r.y(); }
   static int width(const test::RectBlink& r) { return r.width(); }
   static int height(const test::RectBlink& r) { return r.height(); }
 
-  static bool Read(test::blink::TypemappedRectDataView r,
-                   test::RectBlink* out) {
+  static bool Read(test::TypemappedRectDataView r, test::RectBlink* out) {
     if (r.x() < 0 || r.y() < 0 || r.width() < 0 || r.height() < 0) {
       return false;
     }