mus: Remove unnecessary const from property TypeConverter templates

ash/mus/shelf_delegate_mus.cc

 // 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.
 
 #include "ash/mus/shelf_delegate_mus.h"
 
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_item_delegate.h"
 #include "ash/shelf/shelf_item_delegate_manager.h"
 #include "ash/shelf/shelf_layout_manager.h"
@@ skipping 67 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ShelfItemDelegateMus);
 };
 
 // Returns an icon image from a serialized SkBitmap, or the default shelf icon
 // image if the bitmap is empty. Assumes the bitmap is a 1x icon.
 // TODO(jamescook): Support other scale factors.
 gfx::ImageSkia GetShelfIconFromBitmap(
     const mojo::Array<uint8_t>& serialized_bitmap) {
   // Convert the data to an ImageSkia.
-  SkBitmap bitmap = mojo::ConvertTo<SkBitmap, const std::vector<uint8_t>>(
-      serialized_bitmap.storage());
+  SkBitmap bitmap = mojo::ConvertTo<SkBitmap>(serialized_bitmap.storage());
   gfx::ImageSkia icon_image;
   if (!bitmap.isNull()) {
     icon_image = gfx::ImageSkia::CreateFrom1xBitmap(bitmap);
   } else {
     // Use default icon.
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     icon_image = *rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON);
   }
   return icon_image;
 }
@@ skipping 137 matching lines @@
   DCHECK_GE(index, 0);
   ShelfItems::const_iterator iter = model_->ItemByID(shelf_id);
   DCHECK(iter != model_->items().end());
   ShelfItem item = *iter;
   item.status = has_focus ? STATUS_ACTIVE : STATUS_RUNNING;
   model_->Set(index, item);
 }
 
 }  // namespace sysui
 }  // namespace ash