Replace deprecated base::NonThreadSafe in ui\gfx\image_skia.cc in favor of SequenceChecker.

ui/gfx/image/image_skia.h

 // Copyright (c) 2012 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 UI_GFX_IMAGE_IMAGE_SKIA_H_
 #define UI_GFX_IMAGE_IMAGE_SKIA_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 94 matching lines @@
   // |scale| exactly.
   bool HasRepresentation(float scale) const;
 
   // Returns the image rep whose density best matches |scale|.
   // Returns a null image rep if the object contains no image reps.
   const gfx::ImageSkiaRep& GetRepresentation(float scale) const;
 
   // Make the ImageSkia instance read-only. Note that this only prevent
   // modification from client code, and the storage may still be
   // modified by the source if any (thus, it's not thread safe).  This
-  // detaches the storage from currently accessing thread, so its safe
-  // to pass it to other thread as long as it is accessed only by that
-  // thread. If this ImageSkia's storage will be accessed by multiple
-  // threads, use |MakeThreadSafe()| method.
+  // detaches the storage from currently accessing sequence, so its safe
+  // to pass it to another sequence as long as it is accessed only by that
+  // sequence. If this ImageSkia's storage will be accessed by multiple
+  // sequences, use |MakeThreadSafe()| method.
   void SetReadOnly();
 
   // Make the image thread safe by making the storage read only and remove
   // its source if any. All ImageSkia that shares the same storage will also
   // become thread safe. Note that in order to make it 100% thread safe,
-  // this must be called before it's been passed to anther thread.
+  // this must be called before it's been passed to another sequence.
   void MakeThreadSafe();
   bool IsThreadSafe() const;
 
   // Returns true if this is a null object.
   bool isNull() const { return storage_.get() == NULL; }
 
   // Width and height of image in DIP coordinate system.
   int width() const;
   int height() const;
   gfx::Size size() const;
@@ skipping 24 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(ImageSkiaTest, EmptyOnThreadTest);
   FRIEND_TEST_ALL_PREFIXES(ImageSkiaTest, StaticOnThreadTest);
   FRIEND_TEST_ALL_PREFIXES(ImageSkiaTest, SourceOnThreadTest);
 
   // Initialize ImageSkiaStorage with passed in parameters.
   // If the image rep's bitmap is empty, ImageStorage is set to NULL.
   void Init(const gfx::ImageSkiaRep& image_rep);
 
   const SkBitmap& GetBitmap() const;
 
-  // Checks if the current thread can read/modify the ImageSkia.
+  // Checks if the current sequence can read/modify the ImageSkia.
   bool CanRead() const;
   bool CanModify() const;
 
-  // Detach the storage from the currently assinged thread
-  // so that other thread can access the storage.
-  void DetachStorageFromThread();
+  // Detach the storage from the currently assigned sequence
+  // so that other sequence can access the storage.
+  void DetachStorageFromSequence();
 
   // A refptr so that ImageRepSkia can be copied cheaply.
   scoped_refptr<internal::ImageSkiaStorage> storage_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_IMAGE_IMAGE_SKIA_H_