Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/fonts/FontCache.h

 /*
  * Copyright (C) 2006, 2008 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2007-2008 Torch Mobile, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 26 matching lines @@
 #include "platform/fonts/FontFallbackPriority.h"
 #include "wtf/Allocator.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/Unicode.h"
 #include "wtf/text/WTFString.h"
 #include <limits.h>
-#include <memory>
 
 #include "SkFontMgr.h"
 
 class SkTypeface;
 
 namespace base {
 namespace trace_event {
 class ProcessMemoryDump;
 }
 }
@@ skipping 108 matching lines @@
     {
         ASSERT(m_purgePreventCount);
         if (!--m_purgePreventCount)
             purge(PurgeIfNeeded);
     }
 
     // FIXME: This method should eventually be removed.
     FontPlatformData* getFontPlatformData(const FontDescription&, const FontFaceCreationParams&, bool checkingAlternateName = false);
 
     // These methods are implemented by each platform.
-    std::unique_ptr<FontPlatformData> createFontPlatformData(const FontDescription&, const FontFaceCreationParams&, float fontSize);
-    std::unique_ptr<FontPlatformData> scaleFontPlatformData(const FontPlatformData&, const FontDescription&, const FontFaceCreationParams&, float fontSize);
+    PassOwnPtr<FontPlatformData> createFontPlatformData(const FontDescription&, const FontFaceCreationParams&, float fontSize);
+    PassOwnPtr<FontPlatformData> scaleFontPlatformData(const FontPlatformData&, const FontDescription&, const FontFaceCreationParams&, float fontSize);
 
     // Implemented on skia platforms.
     PassRefPtr<SkTypeface> createTypeface(const FontDescription&, const FontFaceCreationParams&, CString& name);
 
 #if OS(ANDROID) || OS(LINUX)
     static AtomicString getFamilyNameForCharacter(SkFontMgr*, UChar32, const FontDescription&, FontFallbackPriority);
 #endif
 
     PassRefPtr<SimpleFontData> fallbackOnStandardFontStyle(const FontDescription&, UChar32);
 
@@ skipping 29 matching lines @@
 public:
     FontCachePurgePreventer() { FontCache::fontCache()->disablePurging(); }
     ~FontCachePurgePreventer() { FontCache::fontCache()->enablePurging(); }
 };
 
 CString toSkFontMgrLocale(const String& locale);
 
 } // namespace blink
 
 #endif