Replaced PassRefPtr copies with moves in Source/core.

third_party/WebKit/Source/core/layout/api/LayoutTextItem.h

 
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef LayoutTextItem_h
 #define LayoutTextItem_h
 
 #include "core/layout/LayoutText.h"
 #include "core/layout/api/LayoutItem.h"
@@ skipping 14 matching lines @@
     {
         ASSERT_WITH_SECURITY_IMPLICATION(!item || item.isText());
     }
 
     explicit LayoutTextItem(std::nullptr_t) : LayoutItem(nullptr) { }
 
     LayoutTextItem() { }
 
     void setStyle(PassRefPtr<ComputedStyle> style)
     {
-        toText()->setStyle(style);
+        toText()->setStyle(std::move(style));
     }
 
     void setText(PassRefPtr<StringImpl> text, bool force = false)
     {
-        toText()->setText(text, force);
+        toText()->setText(std::move(text), force);
     }
 
     bool isTextFragment() const
     {
         return toText()->isTextFragment();
     }
 
     void dirtyLineBoxes()
     {
         toText()->dirtyLineBoxes();
     }
 
 private:
     LayoutText* toText() { return toLayoutText(layoutObject()); }
     const LayoutText* toText() const { return toLayoutText(layoutObject()); }
 };
 
 } // namespace blink
 
 #endif // LayoutTextItem_h