Remove old C++03 move emulation code.

ui/gl/android/scoped_java_surface.cc

Index: ui/gl/android/scoped_java_surface.cc
diff --git a/ui/gl/android/scoped_java_surface.cc b/ui/gl/android/scoped_java_surface.cc
index ae4f81a44bd82a23e9e83f0b5a9f4c7b0bea2e27..37118ae2647cca96167f21459121760f00da74aa 100644
--- a/ui/gl/android/scoped_java_surface.cc
+++ b/ui/gl/android/scoped_java_surface.cc
@@ -48,12 +48,12 @@ ScopedJavaSurface::ScopedJavaSurface(
   j_surface_.Reset(tmp);
 }
 
-ScopedJavaSurface::ScopedJavaSurface(RValue rvalue) {
-  MoveFrom(*rvalue.object);
+ScopedJavaSurface::ScopedJavaSurface(ScopedJavaSurface&& rvalue) {
+  MoveFrom(rvalue);
 }
 
-ScopedJavaSurface& ScopedJavaSurface::operator=(RValue rhs) {
-  MoveFrom(*rhs.object);
+ScopedJavaSurface& ScopedJavaSurface::operator=(ScopedJavaSurface&& rhs) {
+  MoveFrom(rhs);
   return *this;
 }