Convert //tools to use std::unique_ptr

tools/android/forwarder2/forwarders_manager.h

Index: tools/android/forwarder2/forwarders_manager.h
diff --git a/tools/android/forwarder2/forwarders_manager.h b/tools/android/forwarder2/forwarders_manager.h
index 4c6dea6797622e7c39ddee204bbd6d211dfdb445..2cdafdb0b2fab22cb0aadb9b7815c07f7ea37bfc 100644
--- a/tools/android/forwarder2/forwarders_manager.h
+++ b/tools/android/forwarder2/forwarders_manager.h
@@ -5,7 +5,8 @@
 #ifndef TOOLS_ANDROID_FORWARDER2_FORWARDERS_MANAGER_H_
 #define TOOLS_ANDROID_FORWARDER2_FORWARDERS_MANAGER_H_
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "base/memory/scoped_vector.h"
 #include "base/threading/thread.h"
 #include "tools/android/forwarder2/pipe_notifier.h"
@@ -24,12 +25,12 @@ class ForwardersManager {
   ~ForwardersManager();
 
   // Can be called on any thread.
-  void CreateAndStartNewForwarder(scoped_ptr<Socket> socket1,
-                                  scoped_ptr<Socket> socket2);
+  void CreateAndStartNewForwarder(std::unique_ptr<Socket> socket1,
+                                  std::unique_ptr<Socket> socket2);
 
  private:
-  void CreateNewForwarderOnInternalThread(scoped_ptr<Socket> socket1,
-                                          scoped_ptr<Socket> socket2);
+  void CreateNewForwarderOnInternalThread(std::unique_ptr<Socket> socket1,
+                                          std::unique_ptr<Socket> socket2);
 
   void WaitForEventsOnInternalThreadSoon();
   void WaitForEventsOnInternalThread();