cros: Don't send duplicate UserSession mojo messages to ash

ui/gfx/image/image_skia.cc

 // 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.
 
 #include "ui/gfx/image/image_skia.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 340 matching lines @@
   // thread so that other thread can use this.
   if (!copy->isNull())
     copy->storage_->DetachFromThread();
   return base::WrapUnique(copy);
 }
 
 bool ImageSkia::BackedBySameObjectAs(const gfx::ImageSkia& other) const {
   return storage_.get() == other.storage_.get();
 }
 
+bool ImageSkia::Equals(const gfx::ImageSkia& other) const {
+  return BackedBySameObjectAs(other);
+}
+
 void ImageSkia::AddRepresentation(const ImageSkiaRep& image_rep) {
   DCHECK(!image_rep.is_null());
 
   // TODO(oshima): This method should be called |SetRepresentation|
   // and replace the existing rep if there is already one with the
   // same scale so that we can guarantee that a ImageSkia instance contains only
   // one image rep per scale. This is not possible now as ImageLoader currently
   // stores need this feature, but this needs to be fixed.
   if (isNull()) {
     Init(image_rep);
@@ skipping 147 matching lines @@
 bool ImageSkia::CanModify() const {
   return !storage_.get() || storage_->CanModify();
 }
 
 void ImageSkia::DetachStorageFromThread() {
   if (storage_.get())
     storage_->DetachFromThread();
 }
 
 }  // namespace gfx