Changes behavior of iOS-specific gfx::Image constructor.

ui/gfx/image/image.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.
 
 // An Image wraps an image any flavor, be it platform-native GdkBitmap/NSImage,
 // or a SkBitmap. This also provides easy conversion to other image types
 // through operator overloading. It will cache the converted representations
 // internally to prevent double-conversion.
 //
 // The lifetime of both the initial representation and any converted ones are
@@ skipping 53 matching lines @@
 
   // Creates a new image by copying the raw PNG-encoded input for use as the
   // default representation.
   explicit Image(const std::vector<ImagePNGRep>& image_reps);
 
   // Creates a new image by copying the ImageSkia for use as the default
   // representation.
   explicit Image(const ImageSkia& image);
 
 #if defined(OS_IOS)
-  // Does not retain |image|; expects to take ownership.
+  // Retains |image|.
   explicit Image(UIImage* image);
 
   // Retains argument according to |policy|.
   Image(UIImage* image, base::scoped_policy::OwnershipPolicy policy);
 
 #elif defined(OS_MACOSX)
   // Does not retain |image|; expects to take ownership.
   // A single NSImage object can contain multiple bitmaps so there's no reason
   // to pass a vector of these.
   explicit Image(NSImage* image);
@@ skipping 110 matching lines @@
       std::unique_ptr<internal::ImageRep> rep) const;
 
   // Internal class that holds all the representations. This allows the Image to
   // be cheaply copied.
   scoped_refptr<internal::ImageStorage> storage_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_IMAGE_IMAGE_H_