Convert Pass()→std::move() in //content/browser

content/browser/renderer_host/input/mock_input_ack_handler.h

Index: content/browser/renderer_host/input/mock_input_ack_handler.h
diff --git a/content/browser/renderer_host/input/mock_input_ack_handler.h b/content/browser/renderer_host/input/mock_input_ack_handler.h
index a0e1aa92030dc0f071d4d3d00fd7161f3af2f6bd..4753a151350d15f4e2be5b98140c3be388ab0768 100644
--- a/content/browser/renderer_host/input/mock_input_ack_handler.h
+++ b/content/browser/renderer_host/input/mock_input_ack_handler.h
@@ -6,6 +6,7 @@
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_MOCK_INPUT_ACK_HANDLER_H_
 
 #include <stddef.h>
+#include <utility>
 
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/renderer_host/input/input_ack_handler.h"
@@ -39,11 +40,11 @@ class MockInputAckHandler : public InputAckHandler {
   }
 
   void set_followup_touch_event(scoped_ptr<GestureEventWithLatencyInfo> event) {
-    gesture_followup_event_ = event.Pass();
+    gesture_followup_event_ = std::move(event);
   }
 
   void set_followup_touch_event(scoped_ptr<TouchEventWithLatencyInfo> event) {
-    touch_followup_event_ = event.Pass();
+    touch_followup_event_ = std::move(event);
   }
 
   bool unexpected_event_ack_called() const {