input_common: Use std::move where applicable

Avoids unnecessary atomic reference count increments and decrements

src/input_common/keyboard.cpp

@@ -5,6 +5,7 @@
 #include <atomic>
 #include <list>
 #include <mutex>
+#include <utility>
 #include "input_common/keyboard.h"
 
 namespace InputCommon {
@@ -12,7 +13,7 @@ namespace InputCommon {
 class KeyButton final : public Input::ButtonDevice {
 public:
     explicit KeyButton(std::shared_ptr<KeyButtonList> key_button_list_)
-        : key_button_list(key_button_list_) {}
+        : key_button_list(std::move(key_button_list_)) {}
 
     ~KeyButton() override;
 

src/input_common/sdl/sdl.cpp

@@ -82,7 +82,7 @@ private:
 class SDLButton final : public Input::ButtonDevice {
 public:
     explicit SDLButton(std::shared_ptr<SDLJoystick> joystick_, int button_)
-        : joystick(joystick_), button(button_) {}
+        : joystick(std::move(joystick_)), button(button_) {}
 
     bool GetStatus() const override {
         return joystick->GetButton(button);
@@ -96,7 +96,7 @@ private:
 class SDLDirectionButton final : public Input::ButtonDevice {
 public:
     explicit SDLDirectionButton(std::shared_ptr<SDLJoystick> joystick_, int hat_, Uint8 direction_)
-        : joystick(joystick_), hat(hat_), direction(direction_) {}
+        : joystick(std::move(joystick_)), hat(hat_), direction(direction_) {}
 
     bool GetStatus() const override {
         return joystick->GetHatDirection(hat, direction);
@@ -112,7 +112,7 @@ class SDLAxisButton final : public Input::ButtonDevice {
 public:
     explicit SDLAxisButton(std::shared_ptr<SDLJoystick> joystick_, int axis_, float threshold_,
                            bool trigger_if_greater_)
-        : joystick(joystick_), axis(axis_), threshold(threshold_),
+        : joystick(std::move(joystick_)), axis(axis_), threshold(threshold_),
           trigger_if_greater(trigger_if_greater_) {}
 
     bool GetStatus() const override {
@@ -132,7 +132,7 @@ private:
 class SDLAnalog final : public Input::AnalogDevice {
 public:
     SDLAnalog(std::shared_ptr<SDLJoystick> joystick_, int axis_x_, int axis_y_)
-        : joystick(joystick_), axis_x(axis_x_), axis_y(axis_y_) {}
+        : joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_) {}
 
     std::tuple<float, float> GetStatus() const override {
         return joystick->GetAnalog(axis_x, axis_y);