Convert //tools to use std::unique_ptr

tools/android/forwarder2/host_controller.h

Index: tools/android/forwarder2/host_controller.h
diff --git a/tools/android/forwarder2/host_controller.h b/tools/android/forwarder2/host_controller.h
index 484adacd031bbfeda4c411a212a4fda30baa041e..73282451aea841e46dfadf0717662e769ad5308a 100644
--- a/tools/android/forwarder2/host_controller.h
+++ b/tools/android/forwarder2/host_controller.h
@@ -5,12 +5,12 @@
 #ifndef TOOLS_ANDROID_FORWARDER2_HOST_CONTROLLER_H_
 #define TOOLS_ANDROID_FORWARDER2_HOST_CONTROLLER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread.h"
 #include "tools/android/forwarder2/forwarders_manager.h"
@@ -34,15 +34,16 @@ class HostController {
  public:
   // Callback used for self-deletion when an error happens so that the client
   // can perform some cleanup work before deleting the HostController instance.
-  typedef base::Callback<void (scoped_ptr<HostController>)> ErrorCallback;
+  typedef base::Callback<void(std::unique_ptr<HostController>)> ErrorCallback;
 
   // If |device_port| is zero then a dynamic port is allocated (and retrievable
   // through device_port() below).
-  static scoped_ptr<HostController> Create(int device_port,
-                                           int host_port,
-                                           int adb_port,
-                                           int exit_notifier_fd,
-                                           const ErrorCallback& error_callback);
+  static std::unique_ptr<HostController> Create(
+      int device_port,
+      int host_port,
+      int adb_port,
+      int exit_notifier_fd,
+      const ErrorCallback& error_callback);
 
   ~HostController();
 
@@ -59,13 +60,13 @@ class HostController {
                  int adb_port,
                  int exit_notifier_fd,
                  const ErrorCallback& error_callback,
-                 scoped_ptr<Socket> adb_control_socket,
-                 scoped_ptr<PipeNotifier> delete_controller_notifier);
+                 std::unique_ptr<Socket> adb_control_socket,
+                 std::unique_ptr<PipeNotifier> delete_controller_notifier);
 
   void ReadNextCommandSoon();
   void ReadCommandOnInternalThread();
 
-  void StartForwarder(scoped_ptr<Socket> host_server_data_socket);
+  void StartForwarder(std::unique_ptr<Socket> host_server_data_socket);
 
   // Note that this gets also called when ~HostController() is invoked.
   void OnInternalThreadError();
@@ -78,10 +79,10 @@ class HostController {
   const int adb_port_;
   // Used to notify the controller when the process is killed.
   const int global_exit_notifier_fd_;
-  scoped_ptr<Socket> adb_control_socket_;
+  std::unique_ptr<Socket> adb_control_socket_;
   // Used to cancel the pending blocking IO operations when the host controller
   // instance is deleted.
-  scoped_ptr<PipeNotifier> delete_controller_notifier_;
+  std::unique_ptr<PipeNotifier> delete_controller_notifier_;
   // Task runner used for deletion set at deletion time (i.e. the object is
   // deleted on the same thread it is created on).
   const scoped_refptr<base::SingleThreadTaskRunner> deletion_task_runner_;