Some easy conversions of scoped_ptr -> std::unique_ptr in the EDK.

mojo/edk/test/multiprocess_test_helper.h

Index: mojo/edk/test/multiprocess_test_helper.h
diff --git a/mojo/edk/test/multiprocess_test_helper.h b/mojo/edk/test/multiprocess_test_helper.h
index fb00510f18bd36ec8c4696ef0ac2b36ef5dffc5e..2d02796b4b09c05320e7c3fc7479c65247d6443a 100644
--- a/mojo/edk/test/multiprocess_test_helper.h
+++ b/mojo/edk/test/multiprocess_test_helper.h
@@ -5,6 +5,7 @@
 #ifndef MOJO_EDK_TEST_MULTIPROCESS_TEST_HELPER_H_
 #define MOJO_EDK_TEST_MULTIPROCESS_TEST_HELPER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/process/process.h"
@@ -61,7 +62,7 @@ class MultiprocessTestHelper {
   static embedder::ScopedPlatformHandle client_platform_handle;
 
  private:
-  scoped_ptr<embedder::PlatformChannelPair> platform_channel_pair_;
+  std::unique_ptr<embedder::PlatformChannelPair> platform_channel_pair_;
 
   // Valid after |StartChild()| and before |WaitForChildShutdown()|.
   base::Process test_child_;