C++11 Unit Test for RValue semantics.

Motivation:  test that these works on all possible bots and for all possible clients (clients do run these unit tests, right?)

Dear clients:  if this unit test fails, let us know!

BUG=skia:3427

Review URL: https://codereview.chromium.org/922043004

gyp/tests.gypi

@@ -74,6 +74,7 @@
     '../tests/ColorFilterTest.cpp',
     '../tests/ColorPrivTest.cpp',
     '../tests/ColorTest.cpp',
+    '../tests/CPlusPlusEleven.cpp',
     '../tests/DashPathEffectTest.cpp',
     '../tests/DataRefTest.cpp',
     '../tests/DeferredCanvasTest.cpp',

tests/CPlusPlusEleven.cpp

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "Test.h"
+
+namespace {
+template <class T> T&& Move(T& o) { return static_cast<T&&>(o); }
+
+class Moveable {
+public:
+    Moveable() {}
+    Moveable(Moveable&&) {}
+    Moveable& operator=(Moveable&&) { return *this; }
+private:
+    Moveable(const Moveable&);
+    Moveable& operator=(const Moveable&);
+};
+} // namespace
+
+DEF_TEST(CPlusPlusEleven_RvalueAndMove, r) {
+    Moveable src1; Moveable dst1(Move(src1));
+    Moveable src2, dst2; dst2 = Move(src2);
+}