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

shell/child_main.cc

Index: shell/child_main.cc
diff --git a/shell/child_main.cc b/shell/child_main.cc
index bc6559b7895879838c8a0c7f577dc7cb1b2b4b6b..f4e607414d087cf099cb660c3e1123dd563ea012 100644
--- a/shell/child_main.cc
+++ b/shell/child_main.cc
@@ -93,8 +93,9 @@ class AppContext : public mojo::embedder::SlaveProcessDelegate {
 
   void Init(mojo::embedder::ScopedPlatformHandle platform_handle) {
     // Initialize Mojo before starting any threads.
-    mojo::embedder::Init(
-        make_scoped_ptr(new mojo::embedder::SimplePlatformSupport()));
+    // TODO(vtl): Use make_unique when C++14 is available.
+    mojo::embedder::Init(std::unique_ptr<mojo::embedder::PlatformSupport>(
+        new mojo::embedder::SimplePlatformSupport()));
 
     // Create and start our I/O thread.
     base::Thread::Options io_thread_options(base::MessageLoop::TYPE_IO, 0);