Convert remaining scoped_ptr -> std::unique_ptr in //mojo/edk (minus js).

mojo/android/javatests/init_library.cc

Index: mojo/android/javatests/init_library.cc
diff --git a/mojo/android/javatests/init_library.cc b/mojo/android/javatests/init_library.cc
index 92d11d99bb3d85b42b0bc6031b457531bc955a11..3cfff9d75048a11965b1b7f3250176a55d1653c8 100644
--- a/mojo/android/javatests/init_library.cc
+++ b/mojo/android/javatests/init_library.cc
@@ -28,7 +28,8 @@ bool RegisterJNI(JNIEnv* env) {
 }
 
 bool Init() {
-  mojo::embedder::Init(scoped_ptr<mojo::embedder::PlatformSupport>(
+  // TODO(vtl): Use make_unique when C++14 is available.
+  mojo::embedder::Init(std::unique_ptr<mojo::embedder::PlatformSupport>(
       new mojo::embedder::SimplePlatformSupport()));
   return true;
 }